* Package:    sci-libs/dlib-19.22
 * Repository: gentoo
 * Maintainer: sci@gentoo.org
 * USE:        abi_x86_64 amd64 cpu_flags_x86_avx cpu_flags_x86_sse2 cpu_flags_x86_sse4_1 elibc_musl kernel_linux python_targets_python3_8 python_targets_python3_9 test userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox test userpriv usersandbox


@@@@@ PLEASE PAY ATTENTION HERE!!! @@@@@
This information may help you to understand if this is a duplicate or if this bug exists after you pushed a fix;
This ebuild was merged at the following commit:
https://github.com/gentoo-mirror/gentoo/commit/d4d59aa9175b676a8dfc8b7737a34ccabf4c433f  (Wed Apr  6 14:34:27 UTC 2022)
@@@@@ END @@@@@



##################
# emerge --info: #
##################
Portage 3.0.30 (python 3.10.4-final-0, default/linux/amd64/17.0/musl/hardened, gcc-11.2.1, musl-1.2.2-r8, 4.19.174-gentoo x86_64)
=================================================================
System uname: Linux-4.19.174-gentoo-x86_64-Intel-R-_Xeon-R-_CPU_E5-2650_v4_@_2.20GHz-with-libc
KiB Mem:   264046488 total,  49763156 free
KiB Swap:          0 total,         0 free
Timestamp of repository gentoo: Wed, 06 Apr 2022 14:19:46 +0000
sh bash 5.1_p16
ld GNU ld (Gentoo 2.38 p3) 2.38
app-misc/pax-utils:        1.3.3::gentoo
app-shells/bash:           5.1_p16::gentoo
dev-lang/perl:             5.34.1::gentoo
dev-lang/python:           3.8.13::gentoo, 3.9.12::gentoo, 3.10.4::gentoo
dev-util/cmake:            3.23.0::gentoo
dev-util/meson:            0.61.4-r2::gentoo
sys-apps/baselayout:       2.8::gentoo
sys-apps/openrc:           0.44.10::gentoo
sys-apps/sandbox:          2.29::gentoo
sys-devel/autoconf:        2.71-r1::gentoo
sys-devel/automake:        1.16.5::gentoo
sys-devel/binutils:        2.38-r1::gentoo
sys-devel/binutils-config: 5.4.1::gentoo
sys-devel/gcc:             11.2.1_p20220115::gentoo
sys-devel/gcc-config:      2.5-r1::gentoo
sys-devel/libtool:         2.4.7::gentoo
sys-devel/make:            4.3::gentoo
sys-kernel/linux-headers:  5.17::gentoo (virtual/os-headers)
sys-libs/musl:             1.2.2-r8::gentoo
Repositories:

gentoo
    location: /usr/portage
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    sync-rsync-verify-max-age: 24
    sync-rsync-extra-opts: 
    sync-rsync-verify-metamanifest: yes
    sync-rsync-verify-jobs: 1

ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* Boost-1.0"
CBUILD="x86_64-gentoo-linux-musl"
CFLAGS="-O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0"
CHOST="x86_64-gentoo-linux-musl"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0"
DISTDIR="/var/tmp/portage/sci-libs/dlib-19.22/distdir"
EMERGE_DEFAULT_OPTS="--with-bdeps=y -1 -k -b"
ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR"
FCFLAGS="-O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg buildpkg-live config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms sign split-log strict test unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0"
GENTOO_MIRRORS="http://mirror.leaseweb.com/gentoo/ http://ftp.snt.utwente.nl/pub/os/linux/gentoo/ http://ftp.belnet.be/pub/rsync.gentoo.org/gentoo/ http://distfiles.gentoo.org"
INSTALL_MASK="charset.alias /usr/share/locale/locale.alias"
LANG="C.UTF8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0"
MAKEOPTS="-j16"
PKGDIR="/root/tbci/binpkg"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
SHELL="/bin/bash"
USE="acl amd64 bzip2 crypt elogind hardened iconv ipv6 jumbo-build libglvnd libtirpc native-symlinks ncurses nls nptl openmp pam pcre pie readline seccomp split-usr ssl ssp test unicode xattr xtpax zlib" ABI_X86="64" CPU_FLAGS_X86="avx sse2 sse4_1" ELIBC="musl" KERNEL="linux" PYTHON_TARGETS="python3_8 python3_9" USERLAND="GNU"
Unset:  ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, LC_ALL, LD, LEX, LFLAGS, LIBTOOL, LINGUAS, MAKE, MAKEFLAGS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RANLIB, READELF, RUSTFLAGS, SIZE, STRINGS, STRIP, YACC, YFLAGS





##############################
# emerge history (qlop -mv): #
##############################




#######################################
# installed packages (qlist -ICvUSS): #
#######################################
acct-group/audio-0-r1:0
acct-group/cdrom-0-r1:0
acct-group/dialout-0-r1:0
acct-group/disk-0-r1:0
acct-group/input-0-r1:0
acct-group/kmem-0-r1:0
acct-group/kvm-0-r1:0
acct-group/lp-0-r1:0
acct-group/man-0-r1:0
acct-group/messagebus-0-r1:0
acct-group/portage-0:0
acct-group/render-0-r1:0
acct-group/sgx-0:0
acct-group/sshd-0-r1:0
acct-group/tape-0-r1:0
acct-group/tty-0-r1:0
acct-group/video-0-r1:0
acct-user/man-1-r1:0
acct-user/messagebus-0-r1:0
acct-user/portage-0:0
acct-user/sshd-0-r1:0
app-admin/eselect-1.4.20:0 -doc -emacs -vim-syntax
app-admin/perl-cleaner-2.30:0
app-arch/bzip2-1.0.8-r1:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 split-usr -static -static-libs
app-arch/gzip-1.11:0 -pic -static
app-arch/libarchive-3.6.0:0/13 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 acl -blake2 bzip2 e2fsprogs -expat iconv -lz4 lzma -lzo -nettle -static-libs -verify-sig xattr -zstd
app-arch/tar-1.34:0 acl -minimal nls -selinux xattr
app-arch/unzip-6.0_p26:0 bzip2 -natspec unicode
app-arch/xz-utils-5.2.5-r1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 extra-filters nls split-usr -static-libs
app-arch/zstd-1.5.2:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -lz4 -static-libs threads
app-crypt/gnupg-2.3.4-r2:0 bzip2 -doc -ldap nls readline -selinux smartcard ssl -test tofu -tools -tpm -usb -user-socket -verify-sig -wks-server
app-crypt/gpgme-1.17.1:1/11.6.15 -common-lisp cxx -python python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -qt5 -static-libs -verify-sig
app-crypt/libb2-0.98.1-r3:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -native-cflags openmp -static-libs
app-crypt/libmd-1.0.4:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32
app-crypt/pinentry-1.2.0:0 -caps -efl -emacs -gnome-keyring -gtk ncurses -qt5
app-crypt/rhash-1.4.2:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug nls ssl -static-libs
app-editors/nano-6.2:0 -debug -justify -magic -minimal ncurses nls spell split-usr -static unicode
app-eselect/eselect-fontconfig-20220403:0
app-eselect/eselect-iptables-20220320:0
app-eselect/eselect-lib-bin-symlink-0.1.1-r1:0
app-eselect/eselect-pinentry-0.7.2:0
app-misc/c_rehash-1.7-r1:0
app-misc/ca-certificates-20211016.3.77:0 -cacert
app-misc/editor-wrapper-4-r1:0
app-misc/mime-types-2.1.53:0 -nginx
app-misc/pax-utils-1.3.3:0 -caps -debug -python -python_single_target_python3_10 -python_single_target_python3_8 python_single_target_python3_9 seccomp
app-misc/tmux-3.2a:0 -debug -selinux -utempter -vim-syntax
app-portage/eix-0.36.1:0 -debug -doc nls -sqlite
app-portage/elt-patches-20211104:0
app-portage/gemato-16.2:0 gpg -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test -tools
app-portage/gentoolkit-0.5.1-r1:0 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
app-portage/portage-utils-0.93.3:0 nls openmp qmanifest qtegrity -static
app-shells/bash-5.1_p16:0 -afs -bashlogger -examples -mem-scramble net nls -plugins readline
app-shells/push-3.4:0
app-shells/quoter-4.2:0
app-text/ansifilter-2.18:0 -qt5
app-text/build-docbook-catalog-2.2:0
app-text/docbook-xml-dtd-4.5-r2:4.5
app-text/docbook-xml-dtd-4.4-r3:4.4
app-text/docbook-xml-dtd-4.2-r3:4.2
app-text/docbook-xml-dtd-4.1.2-r7:4.1.2
app-text/docbook-xsl-stylesheets-1.79.1-r2:0 -ruby
app-text/manpager-1:0
app-text/sgml-common-0.6.3-r7:0
app-text/xmlto-0.0.28-r8:0 -latex -text
dev-db/sqlite-3.38.2:3 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug -doc -icu readline -secure-delete -static-libs -tcl -test -tools
dev-lang/perl-5.34.1:0/5.34 -berkdb -debug -doc -gdbm ithreads -minimal -quadmath
dev-lang/python-3.10.4:3.10 -bluetooth -build -examples gdbm hardened -libedit -lto ncurses -pgo readline sqlite ssl -test -tk -verify-sig -wininst xml
dev-lang/python-3.9.12:3.9 -bluetooth -build -examples gdbm hardened -lto ncurses -pgo readline sqlite ssl -test -tk -verify-sig -wininst xml
dev-lang/python-3.8.13:3.8 -bluetooth -build -examples gdbm hardened ncurses readline sqlite ssl -test -tk -verify-sig -wininst xml
dev-lang/python-exec-2.4.8:2 native-symlinks python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-lang/python-exec-conf-2.4.6:2 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9
dev-lang/tcl-8.6.12:0/8.6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug threads
dev-libs/elfutils-0.186:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 bzip2 -lzma nls -static-libs -test -threads utils -valgrind -zstd
dev-libs/expat-2.4.8:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -examples -static-libs unicode
dev-libs/glib-2.72.0:2 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -dbus -debug elf -fam -gtk-doc mime -selinux -static-libs -sysprof -systemtap -test -utils xattr
dev-libs/gmp-6.2.1-r2:0/10.4 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 asm cxx -doc -pic -static-libs
dev-libs/gobject-introspection-1.72.0:0 -doctool -gtk-doc -python_single_target_python3_10 -python_single_target_python3_8 python_single_target_python3_9 -test
dev-libs/gobject-introspection-common-1.72.0:0
dev-libs/isl-0.24-r2:0/23 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
dev-libs/jsoncpp-1.9.5:0/25 -doc -test
dev-libs/libassuan-2.5.5:0
dev-libs/libbsd-0.11.6:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs -verify-sig
dev-libs/libevent-2.1.12:0/2.1-7 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 clock-gettime -debug -malloc-replacement ssl -static-libs -test threads -verbose-debug
dev-libs/libffi-3.4.2-r1:0/8 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug -exec-static-trampoline -pax-kernel -static-libs -test
dev-libs/libgcrypt-1.10.1:0/20 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 asm -cpu_flags_arm_aes -cpu_flags_arm_neon -cpu_flags_arm_sha1 -cpu_flags_arm_sha2 -cpu_flags_ppc_altivec -cpu_flags_ppc_vsx2 -cpu_flags_ppc_vsx3 cpu_flags_x86_aes cpu_flags_x86_avx cpu_flags_x86_avx2 -cpu_flags_x86_padlock -cpu_flags_x86_sha cpu_flags_x86_sse4_1 -doc o-flag-munging -static-libs -verify-sig
dev-libs/libgpg-error-1.44:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -common-lisp nls -static-libs
dev-libs/libksba-1.6.0:0 -static-libs
dev-libs/libltdl-2.4.7:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
dev-libs/libpcre-8.45-r1:3 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 bzip2 cxx -jit -libedit pcre16 pcre32 readline split-usr -static-libs unicode zlib
dev-libs/libpcre2-10.39-r1:0/3 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 bzip2 -jit -libedit pcre16 pcre32 readline split-usr -static-libs unicode zlib
dev-libs/libpipeline-1.5.5:0 -test
dev-libs/libtasn1-4.18.0:0/6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs -test -valgrind
dev-libs/libunistring-1.0:0/2 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -doc -static-libs
dev-libs/libuv-1.44.1:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32
dev-libs/libxml2-2.9.13-r1:2 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug -examples -icu -lzma python python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 readline -static-libs -test
dev-libs/libxslt-1.1.35:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 crypt -debug -examples -static-libs
dev-libs/lzo-2.10:2 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -examples split-usr -static-libs
dev-libs/mpc-1.2.1:0/3 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
dev-libs/mpfr-4.1.0_p13-r1:0/6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
dev-libs/nettle-3.7.3:0/8-6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 asm -cpu_flags_arm_neon cpu_flags_x86_aes -cpu_flags_x86_sha -doc gmp -static-libs -test
dev-libs/npth-1.6-r1:0
dev-libs/openssl-1.1.1n:0/1.1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 asm cpu_flags_x86_sse2 -rfc3779 -sctp -sslv3 -static-libs -test -tls-compression -tls-heartbeat -vanilla -verify-sig -verify-sig
dev-libs/popt-1.18:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 nls -static-libs
dev-perl/Devel-CheckLib-1.140.0:0 -test
dev-perl/Encode-Locale-1.50.0-r1:0 -test
dev-perl/File-Listing-6.140.0:0 -test
dev-perl/HTML-Parser-3.760.0:0 -test
dev-perl/HTML-Tagset-3.200.0-r2:0
dev-perl/HTTP-Cookies-6.100.0:0 -test
dev-perl/HTTP-Date-6.50.0:0
dev-perl/HTTP-Message-6.330.0:0 -test -test
dev-perl/HTTP-Negotiate-6.10.0-r2:0 -test
dev-perl/IO-HTML-1.4.0:0 -test
dev-perl/IO-Socket-INET6-2.720.0-r2:0 -test
dev-perl/IO-Socket-SSL-2.74.0:0 -examples -idn -test
dev-perl/libwww-perl-6.600.0-r1:0 ssl -test
dev-perl/Locale-gettext-1.70.0-r1:0 -test
dev-perl/LWP-MediaTypes-6.40.0:0 -test
dev-perl/LWP-Protocol-https-6.100.0:0 -test
dev-perl/Module-Build-0.423.100:0 -test
dev-perl/Mozilla-CA-20999999-r1:0 -test
dev-perl/Net-HTTP-6.210.0:0 -minimal -test
dev-perl/Net-SSLeay-1.900.0:0 -examples -examples -minimal -test
dev-perl/Socket6-0.290.0:0 -test
dev-perl/TimeDate-2.330.0-r1:0 -test
dev-perl/Try-Tiny-0.310.0:0 -minimal -test
dev-perl/URI-5.100.0:0 -test
dev-perl/WWW-RobotRules-6.20.0-r2:0 -test
dev-perl/XML-Parser-2.460.0-r2:0
dev-python/appdirs-1.4.4-r2:0 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9
dev-python/certifi-3021.3.16-r1:0 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/charset_normalizer-2.0.12:0 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/flit_core-3.7.1:0 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/idna-3.3:0 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9
dev-python/importlib_metadata-4.11.3:0 -doc -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/importlib_resources-5.6.0:0 -doc -python_targets_pypy3 python_targets_python3_8 -test
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dev-python/ordered-set-4.1.0:0 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
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dev-python/pypax-0.9.5-r1:0 -ptpax python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 xtpax
dev-python/PySocks-1.7.1-r1:0 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9
dev-python/requests-2.27.1:0 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -socks5 -test
dev-python/setuptools-62.0.0:0 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
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dev-python/tomli-2.0.1:0 -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
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dev-python/zipp-3.8.0:0 -doc -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
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media-fonts/liberation-fonts-2.1.3:0 -X -X -fontforge
media-gfx/graphite2-1.3.14_p20210810-r1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -perl -test
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media-libs/freetype-2.12.0:2 -X -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 adobe-cff -brotli bzip2 cleartype-hinting -debug -doc -fontforge harfbuzz -infinality png -static-libs -svg -utils
media-libs/harfbuzz-4.2.0:0/4.0.0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 cairo -debug -doc -experimental glib graphite -icu introspection -test truetype
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net-firewall/iptables-1.8.7-r2:0/1.8.3 -conntrack -netlink -nftables -pcap split-usr -static-libs
net-libs/gnutls-3.7.3-r1:0/30 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 cxx -dane -doc -examples -guile idn nls openssl -pkcs11 seccomp -sslv2 -sslv3 -static-libs -test -test-full tls-heartbeat -tools -valgrind
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net-misc/iputils-20211215:0 arping -caps -clockdiff -doc filecaps -gcrypt -idn -nettle nls -rarpd -rdisc ssl -static -test -tracepath
net-misc/netifrc-0.7.3:0
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perl-core/Scalar-List-Utils-1.560.0:0
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sys-apps/dbus-1.14.0:0 -X -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug -doc elogind -selinux -static-libs -systemd -test -test
sys-apps/debianutils-5.7:0 installkernel -static
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sys-apps/findutils-4.9.0:0 nls -selinux -static -test
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sys-apps/gentoo-functions-0.15:0
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sys-apps/help2man-1.48.5:0 nls
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sys-apps/less-590:0 pcre unicode
sys-apps/man-db-2.10.2:0 -berkdb manpager -nls seccomp -selinux -static-libs zlib
sys-apps/net-tools-2.10:0 arp hostname ipv6 -nis nls -plipconfig -selinux -slattach -static
sys-apps/openrc-0.44.10:0 -audit -bash -debug ncurses netifrc -newnet pam -selinux -sysv-utils unicode
sys-apps/portage-3.0.30-r1:0 -apidoc -build -doc -gentoo-dev ipc native-extensions -python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 rsync-verify -selinux -test xattr
sys-apps/sandbox-2.29:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 nnp
sys-apps/sed-4.8:0 acl nls -selinux -static
sys-apps/shadow-4.11.1:0/4 acl -audit -bcrypt -cracklib nls pam -selinux -skey split-usr -su xattr
sys-apps/systemd-tmpfiles-249.9:0 -selinux -test
sys-apps/sysvinit-3.01:0 -ibm -selinux -static
sys-apps/texinfo-6.8:0 nls standalone -static
sys-apps/util-linux-2.38:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -audit -build -caps cramfs -cryptsetup -fdformat hardlink -kill logger -magic ncurses nls pam -python python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 readline -rtas -selinux -slang split-usr -static-libs su suid -systemd -test -tty-helpers -udev unicode -verify-sig
sys-apps/which-2.21:0
sys-auth/elogind-246.10-r2:0 acl -audit cgroup-hybrid -debug -doc pam -policykit -selinux
sys-auth/pambase-20220214:0 -caps -debug elogind -gnome-keyring -homed -minimal -mktemp nullok -pam_krb5 -pam_ssh passwdqc -pwhistory -pwquality -securetty -selinux sha512 -systemd -yescrypt
sys-auth/passwdqc-2.0.2-r1:0
sys-devel/autoconf-2.71-r1:2.71 -emacs
sys-devel/autoconf-archive-2022.02.11:0
sys-devel/autoconf-wrapper-20220130:0
sys-devel/automake-1.16.5:1.16 -test
sys-devel/automake-wrapper-11:0
sys-devel/binutils-2.38-r1:2.38 -cet -default-gold -doc gold -multitarget nls -pgo plugins -static-libs -test -vanilla
sys-devel/binutils-config-5.4.1:0 native-symlinks
sys-devel/bison-3.8.2:0 -examples nls -static -test
sys-devel/flex-2.6.4-r1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 nls -static -test
sys-devel/gcc-11.2.1_p20220115:11 -ada -cet -custom-cflags cxx -d -debug -doc -fixed-point -fortran -go graphite hardened -jit -libssp lto -multilib -nls nptl -objc -objc++ -objc-gc openmp -pch -pgo pie -sanitize ssp -systemtap -test -valgrind -vanilla -vtv -zstd
sys-devel/gcc-config-2.5-r1:0 cc-wrappers native-symlinks
sys-devel/gettext-0.21-r1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 acl -cvs cxx -doc -emacs -git -java -java ncurses -nls openmp -static-libs
sys-devel/gnuconfig-20210107:0
sys-devel/libtool-2.4.7:2 -vanilla
sys-devel/m4-1.4.19:0 -examples nls
sys-devel/make-4.3:0 -guile nls -static
sys-devel/patch-2.7.6-r4:0 -static -test xattr
sys-fs/e2fsprogs-1.46.5:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -cron -fuse -lto -nls split-usr -static-libs threads tools
sys-fs/udev-249.9:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 acl kmod -selinux split-usr -test
sys-fs/udev-init-scripts-35:0
sys-kernel/installkernel-gentoo-5:0 -grub
sys-kernel/linux-headers-5.17:0 -headers-only
sys-libs/argp-standalone-1.4.1-r1:0 -static-libs
sys-libs/binutils-libs-2.38-r1:0/2.38 -64-bit-bfd -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -cet -multitarget nls -static-libs
sys-libs/fts-standalone-1.2.7:0 -static-libs
sys-libs/gdbm-1.23:0/6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 berkdb nls readline -static-libs
sys-libs/libcap-2.63:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 pam split-usr -static-libs -tools
sys-libs/libseccomp-2.5.3:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -python python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -static-libs -test
sys-libs/musl-1.2.2-r8:0 -headers-only
sys-libs/ncurses-6.3_p20211106:0/6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -ada cxx -debug -doc -gpm -minimal -profile split-usr -static-libs -test tinfo -trace
sys-libs/obstack-standalone-1.1:0 -static-libs
sys-libs/pam-1.5.2-r1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -audit -berkdb -debug -filecaps -nis -selinux
sys-libs/readline-8.1_p2:0/8 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 split-usr -static-libs unicode -utils
sys-libs/zlib-1.2.12-r2:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 minizip split-usr -static-libs -verify-sig
sys-process/procps-3.3.17-r1:0/8 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 elogind kill -modern-top ncurses nls -selinux split-usr -static-libs -systemd -test unicode
sys-process/psmisc-23.4-r1:0 -X ipv6 nls -selinux
virtual/acl-0-r2:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
virtual/awk-1:0
virtual/dev-manager-0-r2:0
virtual/editor-0-r3:0
virtual/libc-1-r1:0
virtual/libcrypt-1-r1:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
virtual/libelf-3:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32
virtual/libiconv-0-r2:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32
virtual/libintl-0-r2:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32
virtual/libudev-232-r5:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -systemd
virtual/man-0-r4:0
virtual/os-headers-0-r2:0
virtual/package-manager-1:0
virtual/pager-0:0
virtual/perl-Carp-1.520.0-r1:0
virtual/perl-Compress-Raw-Bzip2-2.101.0:0
virtual/perl-Compress-Raw-Zlib-2.101.0:0
virtual/perl-CPAN-2.290.0:0
virtual/perl-CPAN-Meta-2.150.10-r5:0
virtual/perl-CPAN-Meta-Requirements-2.140.0-r7:0
virtual/perl-CPAN-Meta-YAML-0.18.0-r7:0
virtual/perl-Data-Dumper-2.179.0:0
virtual/perl-Digest-MD5-2.580.0:0
virtual/perl-Encode-3.120.0:0
virtual/perl-Exporter-5.760.0:0
virtual/perl-ExtUtils-CBuilder-0.280.236:0
virtual/perl-ExtUtils-Install-2.200.0:0
virtual/perl-ExtUtils-MakeMaker-7.620.0:0
virtual/perl-ExtUtils-Manifest-1.730.0:0
virtual/perl-ExtUtils-ParseXS-3.430.0:0
virtual/perl-File-Spec-3.800.0:0
virtual/perl-File-Temp-0.231.100:0
virtual/perl-Getopt-Long-2.520.0:0
virtual/perl-IO-1.460.0:0
virtual/perl-IO-Compress-2.102.0:0
virtual/perl-IO-Socket-IP-0.410.0:0
virtual/perl-JSON-PP-4.60.0:0
virtual/perl-libnet-3.130.0:0 ssl
virtual/perl-MIME-Base64-3.160.0:0
virtual/perl-Module-Metadata-1.0.37-r1:0
virtual/perl-parent-0.238.0-r1:0
virtual/perl-Parse-CPAN-Meta-2.150.10-r5:0
virtual/perl-Perl-OSType-1.10.0-r5:0
virtual/perl-podlators-4.140.0-r2:0
virtual/perl-Scalar-List-Utils-1.560.0:0
virtual/perl-Test-Harness-3.430.0:0
virtual/perl-Text-ParseWords-3.300.0-r8:0
virtual/perl-Time-Local-1.300.0:0
virtual/perl-version-0.992.800:0
virtual/perl-XSLoader-0.300.0-r4:0
virtual/pkgconfig-2-r1:0
virtual/service-manager-1:0
virtual/ssh-0:0 -minimal
virtual/tmpfiles-0-r1:0
virtual/ttf-fonts-1-r1:0
virtual/udev-217-r3:0
virtual/yacc-0:0
www-client/pybugz-0.13-r1:0 python_targets_python3_8 python_targets_python3_9
x11-libs/cairo-1.16.0-r5:0 -X -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -aqua -debug -gles2-only glib -opengl -static-libs svg -utils -valgrind
x11-libs/pixman-0.40.0:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -cpu_flags_arm_iwmmxt -cpu_flags_arm_iwmmxt2 -cpu_flags_arm_neon -cpu_flags_ppc_altivec cpu_flags_x86_mmxext cpu_flags_x86_sse2 cpu_flags_x86_ssse3 -loongson2f -static-libs
x11-misc/shared-mime-info-2.2:0 -test


#######################
# build.log           #
#######################
>>> Unpacking source...
>>> Unpacking dlib-19.22.tar.gz to /var/tmp/portage/sci-libs/dlib-19.22/work
>>> Source unpacked in /var/tmp/portage/sci-libs/dlib-19.22/work
>>> Preparing source in /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22 ...
 * Source directory (CMAKE_USE_DIR): "/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22"
 * Build directory  (BUILD_DIR):     "/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build"
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22 ...
 * Source directory (CMAKE_USE_DIR): "/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22"
 * Build directory  (BUILD_DIR):     "/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build"
cmake -C /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build/gentoo_common_config.cmake -G Ninja -DCMAKE_INSTALL_PREFIX=/usr -DDLIB_ENABLE_ASSERTS=no -DDLIB_ENABLE_STACK_TRACE=no -DDLIB_GIF_SUPPORT=no -DDLIB_JPEG_SUPPORT=no -DDLIB_PNG_SUPPORT=no -DDLIB_LINK_WITH_SQLITE3=no -DDLIB_NO_GUI_SUPPORT=ON -DDLIB_USE_BLAS=no -DDLIB_USE_CUDA=no -DDLIB_USE_LAPACK=no -DUSE_AVX_INSTRUCTIONS=yes -DUSE_SSE2_INSTRUCTIONS=yes -DUSE_SSE4_INSTRUCTIONS=yes -DCMAKE_BUILD_TYPE=Gentoo -DCMAKE_TOOLCHAIN_FILE=/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build/gentoo_toolchain.cmake /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22
loading initial cache file /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build/gentoo_common_config.cmake
-- The C compiler identification is GNU 11.2.1
-- The CXX compiler identification is GNU 11.2.1
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/x86_64-gentoo-linux-musl-gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/x86_64-gentoo-linux-musl-g++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Using CMake version: 3.23.0
-- Compiling dlib version: 19.22.0
-- Enabling AVX instructions
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE  
-- Searching for BLAS and LAPACK
-- Searching for BLAS and LAPACK
-- Found PkgConfig: /usr/bin/x86_64-gentoo-linux-musl-pkg-config (found version "1.8.0") 
-- Checking for module 'cblas'
--   Package 'cblas', required by 'virtual:world', not found
-- Checking for module 'lapack'
--   Package 'lapack', required by 'virtual:world', not found
-- Looking for cblas_ddot
-- Looking for cblas_ddot - not found
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stddef.h
-- Looking for stddef.h - found
-- Check size of void*
-- Check size of void* - done
-- Checking for module 'blas'
--   Package 'blas', required by 'virtual:world', not found
 *****************************************************************************
 *** No BLAS library found so using dlib's built in BLAS.  However, if you ***
 *** install an optimized BLAS such as OpenBLAS or the Intel MKL your code ***
 *** will run faster.  On Ubuntu you can install OpenBLAS by executing:    ***
 ***    sudo apt-get install libopenblas-dev liblapack-dev                 ***
 *** Or you can easily install OpenBLAS from source by downloading the     ***
 *** source tar file from http://www.openblas.net, extracting it, and      ***
 *** running:                                                              ***
 ***    make; sudo make install                                            ***
 *****************************************************************************
-- C++11 activated.
-- <<< Gentoo configuration >>>
Build type      Gentoo
Install path    /usr
Compiler flags:
C               -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0
C++             -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0
Linker flags:
Executable      -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0
Module          -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0
Shared          -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0

-- Configuring done
-- Generating done
-- Build files have been written to: /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build
>>> Source configured.
>>> Compiling source in /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22 ...
 * Source directory (CMAKE_USE_DIR): "/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22"
 * Build directory  (BUILD_DIR):     "/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build"
ninja -v -j16 -l0
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[23/50] /usr/bin/x86_64-gentoo-linux-musl-g++ -Ddlib_EXPORTS   -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC -DDLIB_NO_GUI_SUPPORT -DDLIB_DISABLE_ASSERTS -DDLIB__CMAKE_GENERATED_A_CONFIG_H_FILE -DDLIB_CHECK_FOR_VERSION_MISMATCH=DLIB_VERSION_MISMATCH_CHECK__EXPECTED_VERSION_19_22_0 -mavx -Wreturn-type -MD -MT dlib/CMakeFiles/dlib.dir/server/server_kernel.cpp.o -MF dlib/CMakeFiles/dlib.dir/server/server_kernel.cpp.o.d -o dlib/CMakeFiles/dlib.dir/server/server_kernel.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/server/server_kernel.cpp
[24/50] /usr/bin/x86_64-gentoo-linux-musl-g++ -Ddlib_EXPORTS   -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC -DDLIB_NO_GUI_SUPPORT -DDLIB_DISABLE_ASSERTS -DDLIB__CMAKE_GENERATED_A_CONFIG_H_FILE -DDLIB_CHECK_FOR_VERSION_MISMATCH=DLIB_VERSION_MISMATCH_CHECK__EXPECTED_VERSION_19_22_0 -mavx -Wreturn-type -MD -MT dlib/CMakeFiles/dlib.dir/md5/md5_kernel_1.cpp.o -MF dlib/CMakeFiles/dlib.dir/md5/md5_kernel_1.cpp.o.d -o dlib/CMakeFiles/dlib.dir/md5/md5_kernel_1.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/md5/md5_kernel_1.cpp
[25/50] /usr/bin/x86_64-gentoo-linux-musl-g++ -Ddlib_EXPORTS   -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC -DDLIB_NO_GUI_SUPPORT -DDLIB_DISABLE_ASSERTS -DDLIB__CMAKE_GENERATED_A_CONFIG_H_FILE -DDLIB_CHECK_FOR_VERSION_MISMATCH=DLIB_VERSION_MISMATCH_CHECK__EXPECTED_VERSION_19_22_0 -mavx -Wreturn-type -MD -MT dlib/CMakeFiles/dlib.dir/tokenizer/tokenizer_kernel_1.cpp.o -MF dlib/CMakeFiles/dlib.dir/tokenizer/tokenizer_kernel_1.cpp.o.d -o dlib/CMakeFiles/dlib.dir/tokenizer/tokenizer_kernel_1.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/tokenizer/tokenizer_kernel_1.cpp
[26/50] /usr/bin/x86_64-gentoo-linux-musl-g++ -Ddlib_EXPORTS   -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC -DDLIB_NO_GUI_SUPPORT -DDLIB_DISABLE_ASSERTS -DDLIB__CMAKE_GENERATED_A_CONFIG_H_FILE -DDLIB_CHECK_FOR_VERSION_MISMATCH=DLIB_VERSION_MISMATCH_CHECK__EXPECTED_VERSION_19_22_0 -mavx -Wreturn-type -MD -MT dlib/CMakeFiles/dlib.dir/threads/threads_kernel_2.cpp.o -MF dlib/CMakeFiles/dlib.dir/threads/threads_kernel_2.cpp.o.d -o dlib/CMakeFiles/dlib.dir/threads/threads_kernel_2.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/threads/threads_kernel_2.cpp
[27/50] /usr/bin/x86_64-gentoo-linux-musl-g++ -Ddlib_EXPORTS   -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC -DDLIB_NO_GUI_SUPPORT -DDLIB_DISABLE_ASSERTS -DDLIB__CMAKE_GENERATED_A_CONFIG_H_FILE -DDLIB_CHECK_FOR_VERSION_MISMATCH=DLIB_VERSION_MISMATCH_CHECK__EXPECTED_VERSION_19_22_0 -mavx -Wreturn-type -MD -MT dlib/CMakeFiles/dlib.dir/unicode/unicode.cpp.o -MF dlib/CMakeFiles/dlib.dir/unicode/unicode.cpp.o.d -o dlib/CMakeFiles/dlib.dir/unicode/unicode.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/unicode/unicode.cpp
[28/50] /usr/bin/x86_64-gentoo-linux-musl-g++ -Ddlib_EXPORTS   -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC -DDLIB_NO_GUI_SUPPORT -DDLIB_DISABLE_ASSERTS -DDLIB__CMAKE_GENERATED_A_CONFIG_H_FILE -DDLIB_CHECK_FOR_VERSION_MISMATCH=DLIB_VERSION_MISMATCH_CHECK__EXPECTED_VERSION_19_22_0 -mavx -Wreturn-type -MD -MT dlib/CMakeFiles/dlib.dir/filtering/kalman_filter.cpp.o -MF dlib/CMakeFiles/dlib.dir/filtering/kalman_filter.cpp.o.d -o dlib/CMakeFiles/dlib.dir/filtering/kalman_filter.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/kalman_filter.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/../matrix.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/kalman_filter.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/kalman_filter.cpp:6:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/../matrix/matrix_la.h: In function 'long int dlib::svd4(dlib::svd_u_mode, bool, const dlib::matrix_exp<EXP>&, dlib::matrix<typename EXP::type, uM, uN, MM1, L1>&, dlib::matrix<typename EXP::type, qN, qX, MM2, L1>&, dlib::matrix<typename EXP::type, vM, vN, MM3, L1>&) [with EXP = dlib::matrix_op<dlib::op_trans<dlib::matrix_op<dlib::op_trans<dlib::matrix<double, 1, 2, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >; long int qN = 1; long int qX = 1; long int uM = 1; long int uN = 1; long int vM = 2; long int vN = 1; MM1 = dlib::memory_manager_stateless_kernel_1<char>; MM2 = dlib::memory_manager_stateless_kernel_1<char>; MM3 = dlib::memory_manager_stateless_kernel_1<char>; L1 = dlib::row_major_layout]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/../matrix/matrix_la.h:225:32: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations]
  225 |             y = abs(q(i)) + abs(e(i));
      |                             ~~~^~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/../matrix/matrix_la.h:163:20: note: within this loop
  163 |         for (i=0; i<n; i++)
      |                   ~^~
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[47/50] /usr/bin/x86_64-gentoo-linux-musl-g++ -Ddlib_EXPORTS   -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC -DDLIB_NO_GUI_SUPPORT -DDLIB_DISABLE_ASSERTS -DDLIB__CMAKE_GENERATED_A_CONFIG_H_FILE -DDLIB_CHECK_FOR_VERSION_MISMATCH=DLIB_VERSION_MISMATCH_CHECK__EXPECTED_VERSION_19_22_0 -mavx -Wreturn-type -MD -MT dlib/CMakeFiles/dlib.dir/cuda/cpu_dlib.cpp.o -MF dlib/CMakeFiles/dlib.dir/cuda/cpu_dlib.cpp.o.d -o dlib/CMakeFiles/dlib.dir/cuda/cpu_dlib.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/cuda/cpu_dlib.cpp
[48/50] /usr/bin/x86_64-gentoo-linux-musl-g++ -Ddlib_EXPORTS   -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC -DDLIB_NO_GUI_SUPPORT -DDLIB_DISABLE_ASSERTS -DDLIB__CMAKE_GENERATED_A_CONFIG_H_FILE -DDLIB_CHECK_FOR_VERSION_MISMATCH=DLIB_VERSION_MISMATCH_CHECK__EXPECTED_VERSION_19_22_0 -mavx -Wreturn-type -MD -MT dlib/CMakeFiles/dlib.dir/global_optimization/global_function_search.cpp.o -MF dlib/CMakeFiles/dlib.dir/global_optimization/global_function_search.cpp.o.d -o dlib/CMakeFiles/dlib.dir/global_optimization/global_function_search.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/global_optimization/global_function_search.cpp
[49/50] : && /usr/bin/x86_64-gentoo-linux-musl-g++ -fPIC -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0  -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0 -shared -Wl,-soname,libdlib.so.19.22.0 -o dlib/libdlib.so.19.22.0 dlib/CMakeFiles/dlib.dir/base64/base64_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/bigint/bigint_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/bigint/bigint_kernel_2.cpp.o dlib/CMakeFiles/dlib.dir/bit_stream/bit_stream_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/entropy_decoder/entropy_decoder_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/entropy_decoder/entropy_decoder_kernel_2.cpp.o dlib/CMakeFiles/dlib.dir/entropy_encoder/entropy_encoder_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/entropy_encoder/entropy_encoder_kernel_2.cpp.o dlib/CMakeFiles/dlib.dir/gui_widgets/fonts.cpp.o dlib/CMakeFiles/dlib.dir/md5/md5_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/tokenizer/tokenizer_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/unicode/unicode.cpp.o dlib/CMakeFiles/dlib.dir/test_for_odr_violations.cpp.o dlib/CMakeFiles/dlib.dir/sockets/sockets_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/bsp/bsp.cpp.o dlib/CMakeFiles/dlib.dir/dir_nav/dir_nav_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/dir_nav/dir_nav_kernel_2.cpp.o dlib/CMakeFiles/dlib.dir/dir_nav/dir_nav_extensions.cpp.o dlib/CMakeFiles/dlib.dir/linker/linker_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/logger/extra_logger_headers.cpp.o dlib/CMakeFiles/dlib.dir/logger/logger_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/logger/logger_config_file.cpp.o dlib/CMakeFiles/dlib.dir/misc_api/misc_api_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/misc_api/misc_api_kernel_2.cpp.o dlib/CMakeFiles/dlib.dir/sockets/sockets_extensions.cpp.o dlib/CMakeFiles/dlib.dir/sockets/sockets_kernel_2.cpp.o dlib/CMakeFiles/dlib.dir/sockstreambuf/sockstreambuf.cpp.o dlib/CMakeFiles/dlib.dir/sockstreambuf/sockstreambuf_unbuffered.cpp.o dlib/CMakeFiles/dlib.dir/server/server_kernel.cpp.o dlib/CMakeFiles/dlib.dir/server/server_iostream.cpp.o dlib/CMakeFiles/dlib.dir/server/server_http.cpp.o dlib/CMakeFiles/dlib.dir/threads/multithreaded_object_extension.cpp.o dlib/CMakeFiles/dlib.dir/threads/threaded_object_extension.cpp.o dlib/CMakeFiles/dlib.dir/threads/threads_kernel_1.cpp.o dlib/CMakeFiles/dlib.dir/threads/threads_kernel_2.cpp.o dlib/CMakeFiles/dlib.dir/threads/threads_kernel_shared.cpp.o dlib/CMakeFiles/dlib.dir/threads/thread_pool_extension.cpp.o dlib/CMakeFiles/dlib.dir/threads/async.cpp.o dlib/CMakeFiles/dlib.dir/timer/timer.cpp.o dlib/CMakeFiles/dlib.dir/stack_trace.cpp.o dlib/CMakeFiles/dlib.dir/cuda/cpu_dlib.cpp.o dlib/CMakeFiles/dlib.dir/cuda/tensor_tools.cpp.o dlib/CMakeFiles/dlib.dir/data_io/image_dataset_metadata.cpp.o dlib/CMakeFiles/dlib.dir/data_io/mnist.cpp.o dlib/CMakeFiles/dlib.dir/data_io/cifar.cpp.o dlib/CMakeFiles/dlib.dir/global_optimization/global_function_search.cpp.o dlib/CMakeFiles/dlib.dir/filtering/kalman_filter.cpp.o dlib/CMakeFiles/dlib.dir/svm/auto.cpp.o   && :
[50/50] /usr/bin/cmake -E cmake_symlink_library dlib/libdlib.so.19.22.0 dlib/libdlib.so.19.22.0 dlib/libdlib.so && :
>>> Source compiled.
>>> Test phase: sci-libs/dlib-19.22
 * Source directory (CMAKE_USE_DIR): "/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test"
 * Build directory  (BUILD_DIR):     "/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build/dlib/test"
cmake -C /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build/dlib/test/gentoo_common_config.cmake -G Ninja -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Gentoo -DCMAKE_TOOLCHAIN_FILE=/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build/dlib/test/gentoo_toolchain.cmake /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test
loading initial cache file /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build/dlib/test/gentoo_common_config.cmake
-- The C compiler identification is GNU 11.2.1
-- The CXX compiler identification is GNU 11.2.1
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/x86_64-gentoo-linux-musl-gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/x86_64-gentoo-linux-musl-g++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Using CMake version: 3.23.0
-- Compiling dlib version: 19.22.0
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE  
-- Could NOT find X11 (missing: X11_X11_INCLUDE_PATH X11_X11_LIB) 
 *****************************************************************************
 *** DLIB GUI SUPPORT DISABLED BECAUSE X11 DEVELOPMENT LIBRARIES NOT FOUND ***
 *** Make sure libx11-dev is installed if you want GUI support.            ***
 *** On Ubuntu run: sudo apt-get install libx11-dev                        ***
 *****************************************************************************
-- Found system copy of libpng: /usr/lib/libpng.so;/usr/lib/libz.so
-- Searching for BLAS and LAPACK
-- Searching for BLAS and LAPACK
-- Found PkgConfig: /usr/bin/x86_64-gentoo-linux-musl-pkg-config (found version "1.8.0") 
-- Checking for module 'cblas'
--   Package 'cblas', required by 'virtual:world', not found
-- Checking for module 'lapack'
--   Package 'lapack', required by 'virtual:world', not found
-- Looking for cblas_ddot
-- Looking for cblas_ddot - not found
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stddef.h
-- Looking for stddef.h - found
-- Check size of void*
-- Check size of void* - done
-- Checking for module 'blas'
--   Package 'blas', required by 'virtual:world', not found
 *****************************************************************************
 *** No BLAS library found so using dlib's built in BLAS.  However, if you ***
 *** install an optimized BLAS such as OpenBLAS or the Intel MKL your code ***
 *** will run faster.  On Ubuntu you can install OpenBLAS by executing:    ***
 ***    sudo apt-get install libopenblas-dev liblapack-dev                 ***
 *** Or you can easily install OpenBLAS from source by downloading the     ***
 *** source tar file from http://www.openblas.net, extracting it, and      ***
 *** running:                                                              ***
 ***    make; sudo make install                                            ***
 *****************************************************************************
CUDA_TOOLKIT_ROOT_DIR not found or specified
-- Could NOT find CUDA (missing: CUDA_TOOLKIT_ROOT_DIR CUDA_NVCC_EXECUTABLE CUDA_INCLUDE_DIRS CUDA_CUDART_LIBRARY) (Required is at least version "7.5")
-- Found CUDA, but CMake was unable to find the cuBLAS libraries that should be part of every basic CUDA install. Your CUDA install is somehow broken or incomplete. Since cuBLAS is required for dlib to use CUDA we won't use CUDA.
-- DID NOT FIND CUDA
-- Disabling CUDA support for dlib.  DLIB WILL NOT USE CUDA
-- C++11 activated.
-- C++11 activated.
-- Configuring done
-- Generating done
-- Build files have been written to: /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build/dlib/test
 * Source directory (CMAKE_USE_DIR): "/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test"
 * Build directory  (BUILD_DIR):     "/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build/dlib/test"
ninja -v -j16 -l0
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[69/243] /usr/bin/x86_64-gentoo-linux-musl-g++ -DDLIB_JPEG_STATIC   -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC   -fPIC -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT dlib_build/CMakeFiles/dlib.dir/gui_widgets/fonts.cpp.o -MF dlib_build/CMakeFiles/dlib.dir/gui_widgets/fonts.cpp.o.d -o dlib_build/CMakeFiles/dlib.dir/gui_widgets/fonts.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/gui_widgets/fonts.cpp
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[73/243] /usr/bin/x86_64-gentoo-linux-musl-g++ -DDLIB_JPEG_STATIC   -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC   -fPIC -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT dlib_build/CMakeFiles/dlib.dir/bsp/bsp.cpp.o -MF dlib_build/CMakeFiles/dlib.dir/bsp/bsp.cpp.o.d -o dlib_build/CMakeFiles/dlib.dir/bsp/bsp.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/bsp/bsp.cpp
[74/243] /usr/bin/x86_64-gentoo-linux-musl-g++ -DDLIB_JPEG_STATIC   -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC   -fPIC -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT dlib_build/CMakeFiles/dlib.dir/filtering/kalman_filter.cpp.o -MF dlib_build/CMakeFiles/dlib.dir/filtering/kalman_filter.cpp.o.d -o dlib_build/CMakeFiles/dlib.dir/filtering/kalman_filter.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/kalman_filter.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/../matrix.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/kalman_filter.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/kalman_filter.cpp:6:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/../matrix/matrix_la.h: In function 'long int dlib::svd4(dlib::svd_u_mode, bool, const dlib::matrix_exp<EXP>&, dlib::matrix<typename EXP::type, uM, uN, MM1, L1>&, dlib::matrix<typename EXP::type, qN, qX, MM2, L1>&, dlib::matrix<typename EXP::type, vM, vN, MM3, L1>&) [with EXP = dlib::matrix_op<dlib::op_trans<dlib::matrix_op<dlib::op_trans<dlib::matrix<double, 1, 2, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >; long int qN = 1; long int qX = 1; long int uM = 1; long int uN = 1; long int vM = 2; long int vN = 1; MM1 = dlib::memory_manager_stateless_kernel_1<char>; MM2 = dlib::memory_manager_stateless_kernel_1<char>; MM3 = dlib::memory_manager_stateless_kernel_1<char>; L1 = dlib::row_major_layout]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/../matrix/matrix_la.h:225:32: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations]
  225 |             y = abs(q(i)) + abs(e(i));
      |                             ~~~^~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/filtering/../matrix/matrix_la.h:163:20: note: within this loop
  163 |         for (i=0; i<n; i++)
      |                   ~^~
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[106/243] : && /usr/bin/cmake -E rm -f dlib_build/libdlib.a && /usr/bin/x86_64-gentoo-linux-musl-ar qc dlib_build/libdlib.a  dlib_build/CMakeFiles/dlib.dir/base64/base64_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/bigint/bigint_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/bigint/bigint_kernel_2.cpp.o dlib_build/CMakeFiles/dlib.dir/bit_stream/bit_stream_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/entropy_decoder/entropy_decoder_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/entropy_decoder/entropy_decoder_kernel_2.cpp.o dlib_build/CMakeFiles/dlib.dir/entropy_encoder/entropy_encoder_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/entropy_encoder/entropy_encoder_kernel_2.cpp.o dlib_build/CMakeFiles/dlib.dir/gui_widgets/fonts.cpp.o dlib_build/CMakeFiles/dlib.dir/md5/md5_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/tokenizer/tokenizer_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/unicode/unicode.cpp.o dlib_build/CMakeFiles/dlib.dir/test_for_odr_violations.cpp.o dlib_build/CMakeFiles/dlib.dir/sockets/sockets_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/bsp/bsp.cpp.o dlib_build/CMakeFiles/dlib.dir/dir_nav/dir_nav_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/dir_nav/dir_nav_kernel_2.cpp.o dlib_build/CMakeFiles/dlib.dir/dir_nav/dir_nav_extensions.cpp.o dlib_build/CMakeFiles/dlib.dir/linker/linker_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/logger/extra_logger_headers.cpp.o dlib_build/CMakeFiles/dlib.dir/logger/logger_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/logger/logger_config_file.cpp.o dlib_build/CMakeFiles/dlib.dir/misc_api/misc_api_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/misc_api/misc_api_kernel_2.cpp.o dlib_build/CMakeFiles/dlib.dir/sockets/sockets_extensions.cpp.o dlib_build/CMakeFiles/dlib.dir/sockets/sockets_kernel_2.cpp.o dlib_build/CMakeFiles/dlib.dir/sockstreambuf/sockstreambuf.cpp.o dlib_build/CMakeFiles/dlib.dir/sockstreambuf/sockstreambuf_unbuffered.cpp.o dlib_build/CMakeFiles/dlib.dir/server/server_kernel.cpp.o dlib_build/CMakeFiles/dlib.dir/server/server_iostream.cpp.o dlib_build/CMakeFiles/dlib.dir/server/server_http.cpp.o dlib_build/CMakeFiles/dlib.dir/threads/multithreaded_object_extension.cpp.o dlib_build/CMakeFiles/dlib.dir/threads/threaded_object_extension.cpp.o dlib_build/CMakeFiles/dlib.dir/threads/threads_kernel_1.cpp.o dlib_build/CMakeFiles/dlib.dir/threads/threads_kernel_2.cpp.o dlib_build/CMakeFiles/dlib.dir/threads/threads_kernel_shared.cpp.o dlib_build/CMakeFiles/dlib.dir/threads/thread_pool_extension.cpp.o dlib_build/CMakeFiles/dlib.dir/threads/async.cpp.o dlib_build/CMakeFiles/dlib.dir/timer/timer.cpp.o dlib_build/CMakeFiles/dlib.dir/stack_trace.cpp.o dlib_build/CMakeFiles/dlib.dir/cuda/cpu_dlib.cpp.o dlib_build/CMakeFiles/dlib.dir/cuda/tensor_tools.cpp.o dlib_build/CMakeFiles/dlib.dir/data_io/image_dataset_metadata.cpp.o dlib_build/CMakeFiles/dlib.dir/data_io/mnist.cpp.o dlib_build/CMakeFiles/dlib.dir/data_io/cifar.cpp.o dlib_build/CMakeFiles/dlib.dir/global_optimization/global_function_search.cpp.o dlib_build/CMakeFiles/dlib.dir/filtering/kalman_filter.cpp.o dlib_build/CMakeFiles/dlib.dir/svm/auto.cpp.o dlib_build/CMakeFiles/dlib.dir/image_loader/png_loader.cpp.o dlib_build/CMakeFiles/dlib.dir/image_saver/save_png.cpp.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jaricom.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcapimin.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcapistd.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcarith.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jccoefct.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jccolor.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcdctmgr.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jchuff.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcinit.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcmainct.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcmarker.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcmaster.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcomapi.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcparam.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcprepct.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jcsample.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdapimin.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdapistd.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdarith.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdatadst.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdatasrc.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdcoefct.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdcolor.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jddctmgr.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdhuff.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdinput.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdmainct.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdmarker.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdmaster.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdmerge.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdpostct.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jdsample.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jerror.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jfdctflt.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jfdctfst.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jfdctint.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jidctflt.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jidctfst.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jidctint.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jmemmgr.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jmemnobs.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jquant1.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jquant2.c.o dlib_build/CMakeFiles/dlib.dir/external/libjpeg/jutils.c.o dlib_build/CMakeFiles/dlib.dir/image_loader/jpeg_loader.cpp.o dlib_build/CMakeFiles/dlib.dir/image_saver/save_jpeg.cpp.o && /usr/bin/x86_64-gentoo-linux-musl-ranlib dlib_build/libdlib.a && :
[107/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/sockets.cpp.o -MF CMakeFiles/dtest.dir/sockets.cpp.o.d -o CMakeFiles/dtest.dir/sockets.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sockets.cpp
[108/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/sockets2.cpp.o -MF CMakeFiles/dtest.dir/sockets2.cpp.o.d -o CMakeFiles/dtest.dir/sockets2.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sockets2.cpp
[109/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/sockstreambuf.cpp.o -MF CMakeFiles/dtest.dir/sockstreambuf.cpp.o.d -o CMakeFiles/dtest.dir/sockstreambuf.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sockstreambuf.cpp
[110/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/find_optimal_parameters.cpp.o -MF CMakeFiles/dtest.dir/find_optimal_parameters.cpp.o.d -o CMakeFiles/dtest.dir/find_optimal_parameters.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/find_optimal_parameters.cpp
[111/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/sliding_buffer.cpp.o -MF CMakeFiles/dtest.dir/sliding_buffer.cpp.o.d -o CMakeFiles/dtest.dir/sliding_buffer.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sliding_buffer.cpp
[112/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/stack.cpp.o -MF CMakeFiles/dtest.dir/stack.cpp.o.d -o CMakeFiles/dtest.dir/stack.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/stack.cpp
[113/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/elastic_net.cpp.o -MF CMakeFiles/dtest.dir/elastic_net.cpp.o.d -o CMakeFiles/dtest.dir/elastic_net.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/elastic_net.cpp
[114/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/trust_region.cpp.o -MF CMakeFiles/dtest.dir/trust_region.cpp.o.d -o CMakeFiles/dtest.dir/trust_region.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/trust_region.cpp
[115/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/set.cpp.o -MF CMakeFiles/dtest.dir/set.cpp.o.d -o CMakeFiles/dtest.dir/set.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/set.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/set.cpp:9:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h:765:17:   required from 'void dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>&) [with domain = int; range = char; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set/set_kernel_1.h:276:17:   required from 'void dlib::set_kernel_1<T, bst_base, mem_manager>::swap(dlib::set_kernel_1<T, bst_base, mem_manager>&) [with T = int; bst_base = dlib::binary_search_tree_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/set.cpp:174:22:   required from 'void {anonymous}::set_compare_test() [with set = dlib::set_compare_1<dlib::set_kernel_1<int, dlib::binary_search_tree_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >, dlib::memory_manager_stateless_kernel_1<char> > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/set.cpp:453:59:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h:88:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, char>::map_pair(const dlib::map_pair<int, char>&)' is deprecated [-Wdeprecated-copy]
   88 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set/../serialize.h:238,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set/set_kernel_1.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/set.cpp:9:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, char>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = char]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/set.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair::mpair(dlib::binary_search_tree_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/set.cpp:9:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_2.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_2<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_2<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_2.h:724:17:   required from 'void dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>&) [with domain = int; range = char; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set/set_kernel_1.h:276:17:   required from 'void dlib::set_kernel_1<T, bst_base, mem_manager>::swap(dlib::set_kernel_1<T, bst_base, mem_manager>&) [with T = int; bst_base = dlib::binary_search_tree_kernel_2<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/set.cpp:174:22:   required from 'void {anonymous}::set_compare_test() [with set = dlib::set_compare_1<dlib::set_kernel_1<int, dlib::binary_search_tree_kernel_2<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >, dlib::memory_manager_stateless_kernel_1<char> > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/set.cpp:457:59:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_2.h:84:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, char>::map_pair(const dlib::map_pair<int, char>&)' is deprecated [-Wdeprecated-copy]
   84 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set/../serialize.h:238,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set/set_kernel_1.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/set.cpp:9:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/set/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, char>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = char]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/set.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_2<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair::mpair(dlib::binary_search_tree_kernel_2<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[116/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/sparse_vector.cpp.o -MF CMakeFiles/dtest.dir/sparse_vector.cpp.o.d -o CMakeFiles/dtest.dir/sparse_vector.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sparse_vector.cpp
[117/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/static_set.cpp.o -MF CMakeFiles/dtest.dir/static_set.cpp.o.d -o CMakeFiles/dtest.dir/static_set.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_set.cpp
[118/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/std_vector_c.cpp.o -MF CMakeFiles/dtest.dir/std_vector_c.cpp.o.d -o CMakeFiles/dtest.dir/std_vector_c.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/std_vector_c.cpp
[119/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/static_map.cpp.o -MF CMakeFiles/dtest.dir/static_map.cpp.o.d -o CMakeFiles/dtest.dir/static_map.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp:13:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map/static_map_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::static_map_kernel_1<int, int, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/../general_hash/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::static_map_kernel_1<int, int, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map/static_map_kernel_1.h:458:17:   required from 'void dlib::static_map_kernel_1<domain, range, compare>::swap(dlib::static_map_kernel_1<domain, range, compare>&) [with domain = int; range = int; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp:282:17:   required from 'void {anonymous}::static_map_kernel_test() [with map = dlib::static_map_kernel_1<int, int, std::less<int> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp:316:69:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map/static_map_kernel_1.h:51:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, int>::map_pair(const dlib::map_pair<int, int>&)' is deprecated [-Wdeprecated-copy]
   51 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/hash_table_kernel_1.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::static_map_kernel_1<int, int, std::less<int> >::mpair::mpair(dlib::static_map_kernel_1<int, int, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp:13:
In member function 'dlib::static_map_kernel_1<int, int, std::less<int> >::mpair& dlib::static_map_kernel_1<int, int, std::less<int> >::mpair::operator=(dlib::static_map_kernel_1<int, int, std::less<int> >::mpair&&)',
    inlined from 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::static_map_kernel_1<int, int, std::less<int> >::mpair]' at /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:205:11,
    inlined from 'void dlib::exchange(T&, T&) [with T = dlib::static_map_kernel_1<int, int, std::less<int> >::mpair]' at /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/../general_hash/../algs.h:378:13,
    inlined from 'void dlib::static_map_kernel_1<domain, range, compare>::swap(dlib::static_map_kernel_1<domain, range, compare>&) [with domain = int; range = int; compare = std::less<int>]' at /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map/static_map_kernel_1.h:458:17,
    inlined from 'void dlib::swap(dlib::static_map_kernel_1<domain, range, compare>&, dlib::static_map_kernel_1<domain, range, compare>&) [with domain = int; range = int; compare = std::less<int>]' at /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map/static_map_kernel_1.h:263:15,
    inlined from 'void {anonymous}::static_map_kernel_test() [with map = dlib::static_map_kernel_1<int, int, std::less<int> >]' at /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp:71:17:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map/static_map_kernel_1.h:51:15: warning: 'test2.dlib::static_map_kernel_1<int, int, std::less<int> >::mp.dlib::static_map_kernel_1<int, int, std::less<int> >::mpair::r' may be used uninitialized [-Wmaybe-uninitialized]
   51 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp: In function 'void {anonymous}::static_map_kernel_test() [with map = dlib::static_map_kernel_1<int, int, std::less<int> >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp:62:17: note: 'test2' declared here
   62 |             map test2;
      |                 ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp:13:
In member function 'dlib::static_map_kernel_1<int, int, std::less<int> >::mpair& dlib::static_map_kernel_1<int, int, std::less<int> >::mpair::operator=(dlib::static_map_kernel_1<int, int, std::less<int> >::mpair&&)',
    inlined from 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::static_map_kernel_1<int, int, std::less<int> >::mpair]' at /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:205:11,
    inlined from 'void dlib::exchange(T&, T&) [with T = dlib::static_map_kernel_1<int, int, std::less<int> >::mpair]' at /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/../general_hash/../algs.h:378:13,
    inlined from 'void dlib::static_map_kernel_1<domain, range, compare>::swap(dlib::static_map_kernel_1<domain, range, compare>&) [with domain = int; range = int; compare = std::less<int>]' at /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map/static_map_kernel_1.h:458:17,
    inlined from 'void dlib::swap(dlib::static_map_kernel_c<map_base>&, dlib::static_map_kernel_c<map_base>&) [with map_base = dlib::static_map_kernel_1<int, int, std::less<int> >]' at /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map/static_map_kernel_c.h:38:15,
    inlined from 'void {anonymous}::static_map_kernel_test() [with map = dlib::static_map_kernel_c<dlib::static_map_kernel_1<int, int, std::less<int> > >]' at /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp:71:17:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/static_map/static_map_kernel_1.h:51:15: warning: 'test2.dlib::static_map_kernel_c<dlib::static_map_kernel_1<int, int, std::less<int> > >::<unnamed>.dlib::static_map_kernel_1<int, int, std::less<int> >::mp.dlib::static_map_kernel_1<int, int, std::less<int> >::mpair::r' may be used uninitialized [-Wmaybe-uninitialized]
   51 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp: In function 'void {anonymous}::static_map_kernel_test() [with map = dlib::static_map_kernel_c<dlib::static_map_kernel_1<int, int, std::less<int> > >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/static_map.cpp:62:17: note: 'test2' declared here
   62 |             map test2;
      |                 ^~~~~
[120/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/sldf.cpp.o -MF CMakeFiles/dtest.dir/sldf.cpp.o.d -o CMakeFiles/dtest.dir/sldf.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp: In member function 'virtual void {anonymous}::sldf_tester::perform_test()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:105:58: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >&)' is deprecated [-Wdeprecated-copy]
  105 |                 df = simplify_linear_decision_function(df);
      |                                                          ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<long unsigned int, double> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:140:58: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >&)' is deprecated [-Wdeprecated-copy]
  140 |                 df = simplify_linear_decision_function(df);
      |                                                          ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<long unsigned int, double> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:141:58: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >&)' is deprecated [-Wdeprecated-copy]
  141 |                 df = simplify_linear_decision_function(df);
      |                                                          ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<long unsigned int, double> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:179:70: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  179 |                 dense_df = simplify_linear_decision_function(dense_df);
      |                                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:217:70: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  217 |                 dense_df = simplify_linear_decision_function(dense_df);
      |                                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:218:70: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  218 |                 dense_df = simplify_linear_decision_function(dense_df);
      |                                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:252:84: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  252 |                 dense_df.function = dense_linear_trainer.train(norm_samples, labels);
      |                                                                                    ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sldf.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
[121/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/string.cpp.o -MF CMakeFiles/dtest.dir/string.cpp.o.d -o CMakeFiles/dtest.dir/string.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/string.cpp
[122/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/optimization_test_functions.cpp.o -MF CMakeFiles/dtest.dir/optimization_test_functions.cpp.o.d -o CMakeFiles/dtest.dir/optimization_test_functions.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/optimization_test_functions.cpp
[123/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/sequence_labeler.cpp.o -MF CMakeFiles/dtest.dir/sequence_labeler.cpp.o.d -o CMakeFiles/dtest.dir/sequence_labeler.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sequence_labeler.cpp
[124/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/serialize.cpp.o -MF CMakeFiles/dtest.dir/serialize.cpp.o.d -o CMakeFiles/dtest.dir/serialize.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/serialize.cpp
[125/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/svm_c_linear_dcd.cpp.o -MF CMakeFiles/dtest.dir/svm_c_linear_dcd.cpp.o.d -o CMakeFiles/dtest.dir/svm_c_linear_dcd.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp: In function 'void {anonymous}::test_sparse()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:82:65: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >&)' is deprecated [-Wdeprecated-copy]
   82 |                 df = linear_trainer.train(samples, labels, state);
      |                                                                 ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<long unsigned int, double> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:83:63: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >&)' is deprecated [-Wdeprecated-copy]
   83 |                 df2 = linear_trainer_cpa.train(samples, labels);
      |                                                               ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<long unsigned int, double> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:84:59: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >&)' is deprecated [-Wdeprecated-copy]
   84 |                 df3 = linear_trainer.train(samples, labels);
      |                                                           ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<long unsigned int, double> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp: In function 'void {anonymous}::test_normal_no_bias()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:160:78: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  160 |                 df = linear_trainer.train(samples_explict_bias, labels, state);
      |                                                                              ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:161:63: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  161 |                 df2 = linear_trainer_cpa.train(samples, labels);
      |                                                               ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:162:72: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  162 |                 df3 = linear_trainer.train(samples_explict_bias, labels);
      |                                                                        ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp: In function 'void {anonymous}::test_normal()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:233:65: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  233 |                 df = linear_trainer.train(samples, labels, state);
      |                                                                 ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:234:63: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  234 |                 df2 = linear_trainer_cpa.train(samples, labels);
      |                                                               ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:235:59: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  235 |                 df3 = linear_trainer.train(samples, labels);
      |                                                           ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp: In function 'void {anonymous}::test_normal_force_last_weight(bool, bool)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:311:61: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  311 |             df = linear_trainer.train(samples, labels, state);
      |                                                             ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:320:67: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  320 |                     df2 = linear_trainer_cpa.train(samples, labels);
      |                                                                   ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp: In function 'void {anonymous}::test_normal_1_sample(double)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:379:54: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  379 |             df = linear_trainer.train(samples, labels);
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp: In function 'void {anonymous}::test_sparse_1_sample(double)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:431:54: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > > >& dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > > >&)' is deprecated [-Wdeprecated-copy]
  431 |             df = linear_trainer.train(samples, labels);
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear_dcd.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
[126/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/parallel_for.cpp.o -MF CMakeFiles/dtest.dir/parallel_for.cpp.o.d -o CMakeFiles/dtest.dir/parallel_for.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/parallel_for.cpp
[127/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/sequence_segmenter.cpp.o -MF CMakeFiles/dtest.dir/sequence_segmenter.cpp.o.d -o CMakeFiles/dtest.dir/sequence_segmenter.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sequence_segmenter.cpp
[128/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/pipe.cpp.o -MF CMakeFiles/dtest.dir/pipe.cpp.o.d -o CMakeFiles/dtest.dir/pipe.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/pipe.cpp
[129/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/svm_c_linear.cpp.o -MF CMakeFiles/dtest.dir/svm_c_linear.cpp.o.d -o CMakeFiles/dtest.dir/svm_c_linear.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp: In function 'void {anonymous}::run_prior_test()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:59:43: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 3, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 3, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 3, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
   59 |         df = trainer.train(samples, labels);
      |                                           ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 3, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 3, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp: In function 'void {anonymous}::run_prior_sparse_test()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:97:43: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >&)' is deprecated [-Wdeprecated-copy]
   97 |         df = trainer.train(samples, labels);
      |                                           ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<long unsigned int, double> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp: In function 'void {anonymous}::test_sparse()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:206:39: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > > >& dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > > >&)' is deprecated [-Wdeprecated-copy]
  206 |         df = krr.train(samples, labels);
      |                                       ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<std::vector<std::pair<unsigned int, double> > > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; K = dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > >; typename kern_type::scalar_type = double; typename K::scalar_type = double; dlib::krr_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<std::vector<std::pair<unsigned int, double> > >; in_scalar_vector_type = std::vector<double>; K = dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:206:23:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > > >& dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_c_linear.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, double> > >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
[130/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/parse.cpp.o -MF CMakeFiles/dtest.dir/parse.cpp.o.d -o CMakeFiles/dtest.dir/parse.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/parse.cpp
[131/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/statistics.cpp.o -MF CMakeFiles/dtest.dir/statistics.cpp.o.d -o CMakeFiles/dtest.dir/statistics.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/statistics.cpp
[132/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/svr_linear_trainer.cpp.o -MF CMakeFiles/dtest.dir/svr_linear_trainer.cpp.o.d -o CMakeFiles/dtest.dir/svr_linear_trainer.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp: In instantiation of 'void {anonymous}::test1() [with scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp:152:26:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp:102:13: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  102 |         df2 = linear_trainer.train(samples, targets);
      |         ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp:13:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp:127:12: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double>, std::allocator<std::pair<long unsigned int, double> > > > >& dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double>, std::allocator<std::pair<long unsigned int, double> > > > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double>, std::allocator<std::pair<long unsigned int, double> > > > >&)' is deprecated [-Wdeprecated-copy]
  127 |         df = strainer.train(ssamples, targets);
      |         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp:13:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double>, std::allocator<std::pair<long unsigned int, double> > > > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double>, std::allocator<std::pair<long unsigned int, double> > > >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp: In instantiation of 'void {anonymous}::test1() [with scalar_type = float]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp:154:25:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp:102:13: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  102 |         df2 = linear_trainer.train(samples, targets);
      |         ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp:13:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp:127:12: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, float>, std::allocator<std::pair<long unsigned int, float> > > > >& dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, float>, std::allocator<std::pair<long unsigned int, float> > > > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, float>, std::allocator<std::pair<long unsigned int, float> > > > >&)' is deprecated [-Wdeprecated-copy]
  127 |         df = strainer.train(ssamples, targets);
      |         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svr_linear_trainer.cpp:13:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, float>, std::allocator<std::pair<long unsigned int, float> > > > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, float>, std::allocator<std::pair<long unsigned int, float> > > >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
[133/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/svm_struct.cpp.o -MF CMakeFiles/dtest.dir/svm_struct.cpp.o.d -o CMakeFiles/dtest.dir/svm_struct.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_struct.cpp
[134/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/global_optimization.cpp.o -MF CMakeFiles/dtest.dir/global_optimization.cpp.o.d -o CMakeFiles/dtest.dir/global_optimization.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/global_optimization.cpp
[135/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/pixel.cpp.o -MF CMakeFiles/dtest.dir/pixel.cpp.o.d -o CMakeFiles/dtest.dir/pixel.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/pixel.cpp
[136/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/read_write_mutex.cpp.o -MF CMakeFiles/dtest.dir/read_write_mutex.cpp.o.d -o CMakeFiles/dtest.dir/read_write_mutex.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/read_write_mutex.cpp
[137/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/reference_counter.cpp.o -MF CMakeFiles/dtest.dir/reference_counter.cpp.o.d -o CMakeFiles/dtest.dir/reference_counter.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/reference_counter.cpp
[138/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/opt_qp_solver.cpp.o -MF CMakeFiles/dtest.dir/opt_qp_solver.cpp.o.d -o CMakeFiles/dtest.dir/opt_qp_solver.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/opt_qp_solver.cpp
[139/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/queue.cpp.o -MF CMakeFiles/dtest.dir/queue.cpp.o.d -o CMakeFiles/dtest.dir/queue.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/queue.cpp
[140/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/rand.cpp.o -MF CMakeFiles/dtest.dir/rand.cpp.o.d -o CMakeFiles/dtest.dir/rand.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/rand.cpp
[141/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/svm_multiclass_linear.cpp.o -MF CMakeFiles/dtest.dir/svm_multiclass_linear.cpp.o.d -o CMakeFiles/dtest.dir/svm_multiclass_linear.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm_multiclass_linear.cpp
[142/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/pyramid_down.cpp.o -MF CMakeFiles/dtest.dir/pyramid_down.cpp.o.d -o CMakeFiles/dtest.dir/pyramid_down.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/pyramid_down.cpp
[143/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/sequence.cpp.o -MF CMakeFiles/dtest.dir/sequence.cpp.o.d -o CMakeFiles/dtest.dir/sequence.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sequence.cpp
[144/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/rls.cpp.o -MF CMakeFiles/dtest.dir/rls.cpp.o.d -o CMakeFiles/dtest.dir/rls.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/rls.cpp
[145/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/sammon.cpp.o -MF CMakeFiles/dtest.dir/sammon.cpp.o.d -o CMakeFiles/dtest.dir/sammon.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sammon.cpp
[146/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/probabilistic.cpp.o -MF CMakeFiles/dtest.dir/probabilistic.cpp.o.d -o CMakeFiles/dtest.dir/probabilistic.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp: In member function 'virtual void {anonymous}::test_probabilistic::perform_test()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:86:57: warning: implicitly-declared 'dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
   86 |             df = probabilistic(krr_trainer,3).train(x, y);
      |                                                         ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:235:9: note: because 'dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::probabilistic_decision_function<K>::probabilistic_decision_function(const dlib::probabilistic_decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
  235 |         probabilistic_decision_function (
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h: In member function 'dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:212:12: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  212 |     struct probabilistic_decision_function
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp: In member function 'virtual void {anonymous}::test_probabilistic::perform_test()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:86:57: note: synthesized method 'dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' first required here
   86 |             df = probabilistic(krr_trainer,3).train(x, y);
      |                                                         ^
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:103:59: warning: implicitly-declared 'dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  103 |             df = probabilistic(krr_trainer,3).train(rx, ry);
      |                                                           ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:235:9: note: because 'dlib::probabilistic_decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::probabilistic_decision_function<K>::probabilistic_decision_function(const dlib::probabilistic_decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
  235 |         probabilistic_decision_function (
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h: In instantiation of 'const dlib::probabilistic_function<typename trainer_type::trained_function_type> dlib::train_probabilistic_decision_function(const trainer_type&, const sample_vector_type&, const label_vector_type&, long int) [with trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_vector_type = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; label_vector_type = std::vector<double>; typename trainer_type::trained_function_type = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:927:57:   required from 'const trained_function_type dlib::trainer_adapter_probabilistic<trainer_type>::train(const T&, const U&) const [with T = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; U = std::vector<double>; trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; dlib::trainer_adapter_probabilistic<trainer_type>::trained_function_type = dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:86:52:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:884:15: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  884 |             d = trainer.train (x_train,y_train);
      |             ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h: In instantiation of 'const dlib::probabilistic_function<typename trainer_type::trained_function_type> dlib::train_probabilistic_decision_function(const trainer_type&, const sample_vector_type&, const label_vector_type&, long int) [with trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_vector_type = dlib::random_subset_selector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; label_vector_type = dlib::random_subset_selector<double>; typename trainer_type::trained_function_type = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:927:57:   required from 'const trained_function_type dlib::trainer_adapter_probabilistic<trainer_type>::train(const T&, const U&) const [with T = dlib::random_subset_selector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; U = dlib::random_subset_selector<double>; trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; dlib::trainer_adapter_probabilistic<trainer_type>::trained_function_type = dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:103:52:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:884:15: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  884 |             d = trainer.train (x_train,y_train);
      |             ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_array_to_mat<dlib::random_subset_selector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_exp<dlib::matrix<double, 0, 1> >; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; typename kern_type::scalar_type = double; typename K::scalar_type = double; dlib::krr_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_array_to_mat<dlib::random_subset_selector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; in_scalar_vector_type = dlib::matrix<double, 0, 1>; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:522:67:   required from 'const dlib::matrix<double, 1, 2, typename trainer_type::mem_manager_type> dlib::cross_validate_trainer_impl(const trainer_type&, const in_sample_vector_type&, const in_scalar_vector_type&, long int) [with trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; in_sample_vector_type = dlib::matrix_op<dlib::op_array_to_mat<dlib::random_subset_selector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_array_to_mat<dlib::random_subset_selector<double> > >; typename trainer_type::mem_manager_type = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:549:43:   required from 'const dlib::matrix<double, 1, 2, typename trainer_type::mem_manager_type> dlib::cross_validate_trainer(const trainer_type&, const in_sample_vector_type&, const in_scalar_vector_type&, long int) [with trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; in_sample_vector_type = dlib::random_subset_selector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; in_scalar_vector_type = dlib::random_subset_selector<double>; typename trainer_type::mem_manager_type = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:80:76:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; typename kern_type::scalar_type = double; typename K::scalar_type = double; dlib::krr_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; in_scalar_vector_type = std::vector<double>; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:884:31:   required from 'const dlib::probabilistic_function<typename trainer_type::trained_function_type> dlib::train_probabilistic_decision_function(const trainer_type&, const sample_vector_type&, const label_vector_type&, long int) [with trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_vector_type = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; label_vector_type = std::vector<double>; typename trainer_type::trained_function_type = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:927:57:   required from 'const trained_function_type dlib::trainer_adapter_probabilistic<trainer_type>::train(const T&, const U&) const [with T = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; U = std::vector<double>; trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; dlib::trainer_adapter_probabilistic<trainer_type>::trained_function_type = dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:86:52:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_array_to_mat<dlib::random_subset_selector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_array_to_mat<dlib::random_subset_selector<double> > >; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; typename kern_type::scalar_type = double; typename K::scalar_type = double; dlib::krr_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = dlib::random_subset_selector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; in_scalar_vector_type = dlib::random_subset_selector<double>; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:900:105:   required from 'const dlib::probabilistic_function<typename trainer_type::trained_function_type> dlib::train_probabilistic_decision_function(const trainer_type&, const sample_vector_type&, const label_vector_type&, long int) [with trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_vector_type = dlib::random_subset_selector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; label_vector_type = dlib::random_subset_selector<double>; typename trainer_type::trained_function_type = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:927:57:   required from 'const trained_function_type dlib::trainer_adapter_probabilistic<trainer_type>::train(const T&, const U&) const [with T = dlib::random_subset_selector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; U = dlib::random_subset_selector<double>; trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; dlib::trainer_adapter_probabilistic<trainer_type>::trained_function_type = dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:103:52:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/probabilistic.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
[147/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/optimization.cpp.o -MF CMakeFiles/dtest.dir/optimization.cpp.o.d -o CMakeFiles/dtest.dir/optimization.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/optimization.cpp
[148/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/md5.cpp.o -MF CMakeFiles/dtest.dir/md5.cpp.o.d -o CMakeFiles/dtest.dir/md5.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/md5.cpp
[149/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/one_vs_one_trainer.cpp.o -MF CMakeFiles/dtest.dir/one_vs_one_trainer.cpp.o.d -o CMakeFiles/dtest.dir/one_vs_one_trainer.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:39,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_one_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, double>; DF1 = dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF2 = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:180:22:   required from 'void {anonymous}::test_one_vs_one_trainer::run_test() [with label_type = double; scalar_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:201:36:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h:191:87: warning: implicitly-declared 'dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  191 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:39,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h:192:87: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  192 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:39,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_one_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, int>; DF1 = dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF2 = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:180:22:   required from 'void {anonymous}::test_one_vs_one_trainer::run_test() [with label_type = int; scalar_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:204:33:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h:191:87: warning: implicitly-declared 'dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  191 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::histogram_intersection_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:39,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h:192:87: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  192 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:39,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_one_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, double>; DF1 = dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF2 = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:180:22:   required from 'void {anonymous}::test_one_vs_one_trainer::run_test() [with label_type = double; scalar_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:207:35:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h:191:87: warning: implicitly-declared 'dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  191 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:39,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h:192:87: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  192 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:39,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_one_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, int>; DF1 = dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF2 = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:180:22:   required from 'void {anonymous}::test_one_vs_one_trainer::run_test() [with label_type = int; scalar_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:210:32:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h:191:87: warning: implicitly-declared 'dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  191 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::histogram_intersection_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:39,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_decision_function.h:192:87: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  192 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:29,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h: In instantiation of 'void dlib::one_vs_one_trainer<any_trainer, label_type_>::parallel_for_helper::operator()(long int) const [with any_trainer = dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>; label_type_ = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:53:22:   required from 'void dlib::impl::helper_parallel_for_funct<T>::run(long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:273:47:   required from 'void dlib::parallel_for(dlib::thread_pool&, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:297:21:   required from 'void dlib::parallel_for(long unsigned int, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:141:25:   required from 'dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type dlib::one_vs_one_trainer<any_trainer, label_type_>::train(const std::vector<typename kern_type::sample_type>&, const std::vector<_ValT>&) const [with any_trainer = dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>; label_type_ = double; dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type = dlib::one_vs_one_decision_function<dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, double>, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df>; typename kern_type::sample_type = dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename kern_type::sample_type = dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:151:45:   required from 'void {anonymous}::test_one_vs_one_trainer::run_test() [with label_type = double; scalar_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:201:36:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:179:54: warning: implicitly-declared 'constexpr dlib::unordered_pair<double>::unordered_pair(const dlib::unordered_pair<double>&)' is deprecated [-Wdeprecated-copy]
  179 |                     const unordered_pair<label_type> p = pairs[i];
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/optimization_solve_qp_using_smo.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/vector_normalizer_frobmetric.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/ranking_tools.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/../unordered_pair.h:79:25: note: because 'dlib::unordered_pair<double>' has user-provided 'dlib::unordered_pair<T>& dlib::unordered_pair<T>::operator=(const dlib::unordered_pair<T>&) [with T = double]'
   79 |         unordered_pair& operator= (
      |                         ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:29,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h: In instantiation of 'void dlib::one_vs_one_trainer<any_trainer, label_type_>::parallel_for_helper::operator()(long int) const [with any_trainer = dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>; label_type_ = int]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:53:22:   required from 'void dlib::impl::helper_parallel_for_funct<T>::run(long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, int>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:273:47:   required from 'void dlib::parallel_for(dlib::thread_pool&, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, int>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:297:21:   required from 'void dlib::parallel_for(long unsigned int, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, int>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:141:25:   required from 'dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type dlib::one_vs_one_trainer<any_trainer, label_type_>::train(const std::vector<typename kern_type::sample_type>&, const std::vector<_ValT>&) const [with any_trainer = dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>; label_type_ = int; dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type = dlib::one_vs_one_decision_function<dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, int>, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df>; typename kern_type::sample_type = dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename kern_type::sample_type = dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:151:45:   required from 'void {anonymous}::test_one_vs_one_trainer::run_test() [with label_type = int; scalar_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:204:33:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:179:54: warning: implicitly-declared 'constexpr dlib::unordered_pair<int>::unordered_pair(const dlib::unordered_pair<int>&)' is deprecated [-Wdeprecated-copy]
  179 |                     const unordered_pair<label_type> p = pairs[i];
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/optimization_solve_qp_using_smo.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/vector_normalizer_frobmetric.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/ranking_tools.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/../unordered_pair.h:79:25: note: because 'dlib::unordered_pair<int>' has user-provided 'dlib::unordered_pair<T>& dlib::unordered_pair<T>::operator=(const dlib::unordered_pair<T>&) [with T = int]'
   79 |         unordered_pair& operator= (
      |                         ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:29,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h: In instantiation of 'void dlib::one_vs_one_trainer<any_trainer, label_type_>::parallel_for_helper::operator()(long int) const [with any_trainer = dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>; label_type_ = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:53:22:   required from 'void dlib::impl::helper_parallel_for_funct<T>::run(long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:273:47:   required from 'void dlib::parallel_for(dlib::thread_pool&, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:297:21:   required from 'void dlib::parallel_for(long unsigned int, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:141:25:   required from 'dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type dlib::one_vs_one_trainer<any_trainer, label_type_>::train(const std::vector<typename kern_type::sample_type>&, const std::vector<_ValT>&) const [with any_trainer = dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>; label_type_ = double; dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type = dlib::one_vs_one_decision_function<dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, double>, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df>; typename kern_type::sample_type = dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename kern_type::sample_type = dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:151:45:   required from 'void {anonymous}::test_one_vs_one_trainer::run_test() [with label_type = double; scalar_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:207:35:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:179:54: warning: implicitly-declared 'constexpr dlib::unordered_pair<double>::unordered_pair(const dlib::unordered_pair<double>&)' is deprecated [-Wdeprecated-copy]
  179 |                     const unordered_pair<label_type> p = pairs[i];
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/optimization_solve_qp_using_smo.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/vector_normalizer_frobmetric.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/ranking_tools.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/../unordered_pair.h:79:25: note: because 'dlib::unordered_pair<double>' has user-provided 'dlib::unordered_pair<T>& dlib::unordered_pair<T>::operator=(const dlib::unordered_pair<T>&) [with T = double]'
   79 |         unordered_pair& operator= (
      |                         ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:29,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h: In instantiation of 'void dlib::one_vs_one_trainer<any_trainer, label_type_>::parallel_for_helper::operator()(long int) const [with any_trainer = dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>; label_type_ = int]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:53:22:   required from 'void dlib::impl::helper_parallel_for_funct<T>::run(long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, int>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:273:47:   required from 'void dlib::parallel_for(dlib::thread_pool&, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, int>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:297:21:   required from 'void dlib::parallel_for(long unsigned int, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, int>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:141:25:   required from 'dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type dlib::one_vs_one_trainer<any_trainer, label_type_>::train(const std::vector<typename kern_type::sample_type>&, const std::vector<_ValT>&) const [with any_trainer = dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>; label_type_ = int; dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type = dlib::one_vs_one_decision_function<dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, int>, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df>; typename kern_type::sample_type = dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename kern_type::sample_type = dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:151:45:   required from 'void {anonymous}::test_one_vs_one_trainer::run_test() [with label_type = int; scalar_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:210:32:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:179:54: warning: implicitly-declared 'constexpr dlib::unordered_pair<int>::unordered_pair(const dlib::unordered_pair<int>&)' is deprecated [-Wdeprecated-copy]
  179 |                     const unordered_pair<label_type> p = pairs[i];
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/optimization_solve_qp_using_smo.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/vector_normalizer_frobmetric.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/ranking_tools.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/../unordered_pair.h:79:25: note: because 'dlib::unordered_pair<int>' has user-provided 'dlib::unordered_pair<T>& dlib::unordered_pair<T>::operator=(const dlib::unordered_pair<T>&) [with T = int]'
   79 |         unordered_pair& operator= (
      |                         ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<float, std::allocator<float> > > >; K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; typename kern_type::scalar_type = float; typename K::scalar_type = float; dlib::krr_trainer<K>::scalar_type = float]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; in_scalar_vector_type = std::vector<float, std::allocator<float> >; K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_type_ = dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; scalar_type_ = float; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; typename kern_type::scalar_type = double; typename K::scalar_type = double; dlib::krr_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; in_scalar_vector_type = std::vector<double>; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_type_ = dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; scalar_type_ = double; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_one_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
[150/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/random_forest.cpp.o -MF CMakeFiles/dtest.dir/random_forest.cpp.o.d -o CMakeFiles/dtest.dir/random_forest.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/random_forest.cpp
[151/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/member_function_pointer.cpp.o -MF CMakeFiles/dtest.dir/member_function_pointer.cpp.o.d -o CMakeFiles/dtest.dir/member_function_pointer.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/member_function_pointer.cpp
[152/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/multithreaded_object.cpp.o -MF CMakeFiles/dtest.dir/multithreaded_object.cpp.o.d -o CMakeFiles/dtest.dir/multithreaded_object.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/multithreaded_object.cpp
[153/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/metaprogramming.cpp.o -MF CMakeFiles/dtest.dir/metaprogramming.cpp.o.d -o CMakeFiles/dtest.dir/metaprogramming.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/metaprogramming.cpp
[154/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/max_sum_submatrix.cpp.o -MF CMakeFiles/dtest.dir/max_sum_submatrix.cpp.o.d -o CMakeFiles/dtest.dir/max_sum_submatrix.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/max_sum_submatrix.cpp
[155/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/numerical_integration.cpp.o -MF CMakeFiles/dtest.dir/numerical_integration.cpp.o.d -o CMakeFiles/dtest.dir/numerical_integration.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/numerical_integration.cpp
[156/243] /usr/bin/x86_64-gentoo-linux-musl-g++ -DDLIB_JPEG_STATIC -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -fPIC   -fPIC -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT dlib_build/CMakeFiles/dlib_all_source_cpp.dir/all/source.cpp.o -MF dlib_build/CMakeFiles/dlib_all_source_cpp.dir/all/source.cpp.o.d -o dlib_build/CMakeFiles/dlib_all_source_cpp.dir/all/source.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/source.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/../image_loader/../image_transforms/../statistics/../matrix.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/../image_loader/../image_transforms/../statistics/statistics.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/../image_loader/../image_transforms/../statistics.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/../image_loader/../image_transforms/assign_image.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/../image_loader/image_loader.h:15,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/../image_loader/png_loader.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/../image_loader/png_loader.cpp:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/source.cpp:62:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/../image_loader/../image_transforms/../statistics/../matrix/matrix_la.h: In function 'long int dlib::svd4(dlib::svd_u_mode, bool, const dlib::matrix_exp<EXP>&, dlib::matrix<typename EXP::type, uM, uN, MM1, L1>&, dlib::matrix<typename EXP::type, qN, qX, MM2, L1>&, dlib::matrix<typename EXP::type, vM, vN, MM3, L1>&) [with EXP = dlib::matrix_op<dlib::op_trans<dlib::matrix_op<dlib::op_trans<dlib::matrix<double, 1, 2> > > > >; long int qN = 1; long int qX = 1; long int uM = 1; long int uN = 1; long int vM = 2; long int vN = 1; MM1 = dlib::memory_manager_stateless_kernel_1<char>; MM2 = dlib::memory_manager_stateless_kernel_1<char>; MM3 = dlib::memory_manager_stateless_kernel_1<char>; L1 = dlib::row_major_layout]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/../image_loader/../image_transforms/../statistics/../matrix/matrix_la.h:225:32: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations]
  225 |             y = abs(q(i)) + abs(e(i));
      |                             ~~~^~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/all/../image_loader/../image_transforms/../statistics/../matrix/matrix_la.h:163:20: note: within this loop
  163 |         for (i=0; i<n; i++)
      |                   ~^~
[157/243] : && /usr/bin/cmake -E rm -f dlib_build/libdlib_all_source_cpp.a && /usr/bin/x86_64-gentoo-linux-musl-ar qc dlib_build/libdlib_all_source_cpp.a  dlib_build/CMakeFiles/dlib_all_source_cpp.dir/all/source.cpp.o && /usr/bin/x86_64-gentoo-linux-musl-ranlib dlib_build/libdlib_all_source_cpp.a && :
[158/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/scan_image.cpp.o -MF CMakeFiles/dtest.dir/scan_image.cpp.o.d -o CMakeFiles/dtest.dir/scan_image.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/scan_image.cpp
[159/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/mpc.cpp.o -MF CMakeFiles/dtest.dir/mpc.cpp.o.d -o CMakeFiles/dtest.dir/mpc.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/mpc.cpp
[160/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/lz77_buffer.cpp.o -MF CMakeFiles/dtest.dir/lz77_buffer.cpp.o.d -o CMakeFiles/dtest.dir/lz77_buffer.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/lz77_buffer.cpp
[161/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/map.cpp.o -MF CMakeFiles/dtest.dir/map.cpp.o.d -o CMakeFiles/dtest.dir/map.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/map.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/map.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h:765:17:   required from 'void dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>&) [with domain = int; range = int; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/map_kernel_1.h:334:17:   required from 'void dlib::map_kernel_1<domain, range, bst_base, mem_manager>::swap(dlib::map_kernel_1<domain, range, bst_base, mem_manager>&) [with domain = int; range = int; bst_base = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/map.cpp:183:22:   required from 'void {anonymous}::map_kernel_test() [with map = dlib::map_kernel_1<int, int, dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >, dlib::memory_manager_stateless_kernel_1<char> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/map.cpp:430:61:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h:88:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, int>::map_pair(const dlib::map_pair<int, int>&)' is deprecated [-Wdeprecated-copy]
   88 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/map_kernel_1.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/map.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/map.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair::mpair(dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/map.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_2.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_2<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_2<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_2.h:724:17:   required from 'void dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>&) [with domain = int; range = int; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/map_kernel_1.h:334:17:   required from 'void dlib::map_kernel_1<domain, range, bst_base, mem_manager>::swap(dlib::map_kernel_1<domain, range, bst_base, mem_manager>&) [with domain = int; range = int; bst_base = dlib::binary_search_tree_kernel_2<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/map.cpp:183:22:   required from 'void {anonymous}::map_kernel_test() [with map = dlib::map_kernel_1<int, int, dlib::binary_search_tree_kernel_2<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >, dlib::memory_manager_stateless_kernel_1<char> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/map.cpp:434:61:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_2.h:84:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, int>::map_pair(const dlib::map_pair<int, int>&)' is deprecated [-Wdeprecated-copy]
   84 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/map_kernel_1.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/map.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/map.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_2<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair::mpair(dlib::binary_search_tree_kernel_2<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[162/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/max_cost_assignment.cpp.o -MF CMakeFiles/dtest.dir/max_cost_assignment.cpp.o.d -o CMakeFiles/dtest.dir/max_cost_assignment.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/max_cost_assignment.cpp
[163/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/oca.cpp.o -MF CMakeFiles/dtest.dir/oca.cpp.o.d -o CMakeFiles/dtest.dir/oca.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/oca.cpp
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/oca.cpp: In member function 'virtual void {anonymous}::test_oca::perform_test()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/oca.cpp:127:35: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  127 |             df = trainer.train(x,y);
      |                                   ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/oca.cpp:6:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/oca.cpp:192:35: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  192 |             df = trainer.train(x,y);
      |                                   ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/oca.cpp:6:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/oca.cpp:211:35: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  211 |             df = trainer.train(x,y);
      |                                   ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/oca.cpp:6:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/oca.cpp:230:35: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  230 |             df = trainer.train(x,y);
      |                                   ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/oca.cpp:6:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
[164/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/lspi.cpp.o -MF CMakeFiles/dtest.dir/lspi.cpp.o.d -o CMakeFiles/dtest.dir/lspi.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/lspi.cpp
[165/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/svm.cpp.o -MF CMakeFiles/dtest.dir/svm.cpp.o.d -o CMakeFiles/dtest.dir/svm.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp: In function 'void {anonymous}::test_svm_trainer2()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:623:44: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  623 |         df = trainer2.train(samples, labels);
      |                                            ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 1, 1>, std::allocator<dlib::matrix<double, 1, 1> > > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; K = dlib::radial_basis_kernel<dlib::matrix<double, 1, 1> >; typename kern_type::scalar_type = double; typename K::scalar_type = double; dlib::krr_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<dlib::matrix<double, 1, 1>, std::allocator<dlib::matrix<double, 1, 1> > >; in_scalar_vector_type = std::vector<double>; K = dlib::radial_basis_kernel<dlib::matrix<double, 1, 1> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:214:62:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 1, 1> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 1, 1> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 1, 1> > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 1, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 1, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:31,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::svm_c_ekm_trainer<K>::do_train_user_basis(const in_sample_vector_type&, const in_scalar_vector_type&, dlib::svm_c_ekm_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; dlib::svm_c_ekm_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:314:43:   required from 'const dlib::decision_function<K> dlib::svm_c_ekm_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; in_scalar_vector_type = std::vector<double>; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:508:51:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:397:16: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  397 |             df = ocas.train(proj_samples, y, svm_objective);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:31,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:405:22: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  405 |             final_df = ekm.convert_to_decision_function(df.basis_vectors(0));
      |             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:31,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::svm_c_ekm_trainer<K>::do_train_auto_basis(const in_sample_vector_type&, const in_scalar_vector_type&, dlib::svm_c_ekm_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; dlib::svm_c_ekm_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:316:43:   required from 'const dlib::decision_function<K> dlib::svm_c_ekm_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; in_scalar_vector_type = std::vector<double>; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:508:51:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:480:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  480 |                     df = trainer.train(proj_samples, y, svm_objective);
      |                     ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:31,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:582:16: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  582 |             df = trainer.train(proj_samples, y, svm_objective);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:31,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:597:22: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  597 |             final_df = ekm.convert_to_decision_function(df.basis_vectors(0));
      |             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:21,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/reduced.h: In instantiation of 'const dlib::decision_function<typename trainer_type::kernel_type> dlib::reduced_decision_function_trainer2<trainer_type>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; trainer_type = dlib::svm_nu_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; typename trainer_type::kernel_type = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/reduced.h:532:28:   required from 'const dlib::decision_function<typename trainer_type::kernel_type> dlib::reduced_decision_function_trainer2<trainer_type>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; in_scalar_vector_type = std::vector<double>; trainer_type = dlib::svm_nu_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; typename trainer_type::kernel_type = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:515:72:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/reduced.h:555:20: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  555 |             target = dec_funct;
      |             ~~~~~~~^~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:21,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/reduced.h:556:20: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  556 |             approx = approximate_distance_function(objective_delta_stop_strategy(eps), target, lisf);
      |             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:28,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/empirical_kernel_map.h: In instantiation of 'void dlib::empirical_kernel_map<kern_type>::get_transformation_to(const dlib::empirical_kernel_map<kern_type>&, dlib::matrix<typename K::scalar_type, 0, 0, typename K::mem_manager_type>&, dlib::projection_function<K>&) const [with kern_type = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; typename K::mem_manager_type = dlib::memory_manager_stateless_kernel_1<char>; typename K::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:545:47:   required from 'const dlib::decision_function<K> dlib::svm_c_ekm_trainer<K>::do_train_auto_basis(const in_sample_vector_type&, const in_scalar_vector_type&, dlib::svm_c_ekm_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; dlib::svm_c_ekm_trainer<K>::scalar_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:316:43:   required from 'const dlib::decision_function<K> dlib::svm_c_ekm_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; in_scalar_vector_type = std::vector<double>; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:508:51:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/empirical_kernel_map.h:247:32: warning: implicitly-declared 'dlib::projection_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::projection_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::projection_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  247 |             partial_projection = temp_ekm.get_projection_function();
      |             ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:676:9: note: because 'dlib::projection_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::projection_function<K>::projection_function(const dlib::projection_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
  676 |         projection_function (
      |         ^~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/pegasos.h: In instantiation of 'const dlib::decision_function<typename trainer_type::kernel_type> dlib::batch_trainer<trainer_type>::do_train_cached(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_exp<dlib::matrix<double, 0, 1> >; trainer_type = dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; typename trainer_type::kernel_type = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/pegasos.h:529:39:   required from 'const dlib::decision_function<typename trainer_type::kernel_type> dlib::batch_trainer<trainer_type>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; in_scalar_vector_type = dlib::matrix<double, 0, 1>; trainer_type = dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; typename trainer_type::kernel_type = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_threaded.h:60:75:   required from 'void dlib::cvtti_helpers::task::operator()(dlib::cvtti_helpers::job<trainer_type, in_sample_vector_type>&, dlib::matrix<double, 1, 2, mem_manager_type>&) [with trainer_type = dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; mem_manager_type = dlib::memory_manager_stateless_kernel_1<char>; in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/../threads/../bound_function_pointer/bound_function_pointer_kernel_1.h:137:22:   required from 'void dlib::bfp1_helpers::bound_function_helper<F, T1, T2, void, void>::call() const [with F = dlib::cvtti_helpers::task; T1 = dlib::cvtti_helpers::job<dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >; T2 = dlib::matrix<double, 1, 2>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/../threads/../bound_function_pointer/bound_function_pointer_kernel_1.h:135:18:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/pegasos.h:629:27: warning: implicitly-declared 'dlib::decision_function<dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::caching_kernel<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > > >& dlib::decision_function<dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::caching_kernel<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > > >::operator=(const dlib::decision_function<dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::caching_kernel<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > > >&)' is deprecated [-Wdeprecated-copy]
  629 |                 cached_df = my_trainer.get_decision_function();
      |                 ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::caching_kernel<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::caching_kernel<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/pegasos.h:645:27: warning: implicitly-declared 'dlib::decision_function<dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::caching_kernel<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > > >& dlib::decision_function<dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::caching_kernel<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > > >::operator=(const dlib::decision_function<dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::caching_kernel<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > > >&)' is deprecated [-Wdeprecated-copy]
  645 |                 cached_df = my_trainer.get_decision_function();
      |                 ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::caching_kernel<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::batch_trainer<dlib::svm_pegasos<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::caching_kernel<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:31,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::svm_c_ekm_trainer<K>::do_train_user_basis(const in_sample_vector_type&, const in_scalar_vector_type&, dlib::svm_c_ekm_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_exp<dlib::matrix<double, 0, 1> >; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; dlib::svm_c_ekm_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:314:43:   required from 'const dlib::decision_function<K> dlib::svm_c_ekm_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; in_scalar_vector_type = dlib::matrix<double, 0, 1>; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_threaded.h:60:75:   required from 'void dlib::cvtti_helpers::task::operator()(dlib::cvtti_helpers::job<trainer_type, in_sample_vector_type>&, dlib::matrix<double, 1, 2, mem_manager_type>&) [with trainer_type = dlib::svm_c_ekm_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; mem_manager_type = dlib::memory_manager_stateless_kernel_1<char>; in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/../threads/../bound_function_pointer/bound_function_pointer_kernel_1.h:137:22:   required from 'void dlib::bfp1_helpers::bound_function_helper<F, T1, T2, void, void>::call() const [with F = dlib::cvtti_helpers::task; T1 = dlib::cvtti_helpers::job<dlib::svm_c_ekm_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >, dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >; T2 = dlib::matrix<double, 1, 2>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/../threads/../bound_function_pointer/bound_function_pointer_kernel_1.h:135:18:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:397:16: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  397 |             df = ocas.train(proj_samples, y, svm_objective);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:31,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:405:22: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  405 |             final_df = ekm.convert_to_decision_function(df.basis_vectors(0));
      |             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:31,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::svm_c_ekm_trainer<K>::do_train_auto_basis(const in_sample_vector_type&, const in_scalar_vector_type&, dlib::svm_c_ekm_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_exp<dlib::matrix<double, 0, 1> >; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; dlib::svm_c_ekm_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:316:43:   required from 'const dlib::decision_function<K> dlib::svm_c_ekm_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; in_scalar_vector_type = dlib::matrix<double, 0, 1>; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_threaded.h:60:75:   required from 'void dlib::cvtti_helpers::task::operator()(dlib::cvtti_helpers::job<trainer_type, in_sample_vector_type>&, dlib::matrix<double, 1, 2, mem_manager_type>&) [with trainer_type = dlib::svm_c_ekm_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; mem_manager_type = dlib::memory_manager_stateless_kernel_1<char>; in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/../threads/../bound_function_pointer/bound_function_pointer_kernel_1.h:137:22:   required from 'void dlib::bfp1_helpers::bound_function_helper<F, T1, T2, void, void>::call() const [with F = dlib::cvtti_helpers::task; T1 = dlib::cvtti_helpers::job<dlib::svm_c_ekm_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >, dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >; T2 = dlib::matrix<double, 1, 2>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/../threads/../bound_function_pointer/bound_function_pointer_kernel_1.h:135:18:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:480:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  480 |                     df = trainer.train(proj_samples, y, svm_objective);
      |                     ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:31,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:582:16: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  582 |             df = trainer.train(proj_samples, y, svm_objective);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:31,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_c_ekm_trainer.h:597:22: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  597 |             final_df = ekm.convert_to_decision_function(df.basis_vectors(0));
      |             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_exp<dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; in_scalar_vector_type = dlib::matrix_exp<dlib::matrix<double, 0, 1> >; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; typename kern_type::scalar_type = double; typename K::scalar_type = double; dlib::krr_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_rowm_range<dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >, dlib::matrix<long int, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; in_scalar_vector_type = dlib::matrix<double, 0, 1>; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_threaded.h:60:75:   required from 'void dlib::cvtti_helpers::task::operator()(dlib::cvtti_helpers::job<trainer_type, in_sample_vector_type>&, dlib::matrix<double, 1, 2, mem_manager_type>&) [with trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; mem_manager_type = dlib::memory_manager_stateless_kernel_1<char>; in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/../threads/../bound_function_pointer/bound_function_pointer_kernel_1.h:137:22:   required from 'void dlib::bfp1_helpers::bound_function_helper<F, T1, T2, void, void>::call() const [with F = dlib::cvtti_helpers::task; T1 = dlib::cvtti_helpers::job<dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >, dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >; T2 = dlib::matrix<double, 1, 2>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/../threads/../bound_function_pointer/bound_function_pointer_kernel_1.h:135:18:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/svm.cpp:18:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
[166/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/hash_table.cpp.o -MF CMakeFiles/dtest.dir/hash_table.cpp.o.d -o CMakeFiles/dtest.dir/hash_table.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_table.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_table.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/hash_table_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::hash_table_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/../general_hash/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::hash_table_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/hash_table_kernel_1.h:648:17:   required from 'void dlib::hash_table_kernel_1<domain, range, mem_manager, compare>::swap(dlib::hash_table_kernel_1<domain, range, mem_manager, compare>&) [with domain = int; range = int; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_table.cpp:76:26:   required from 'void {anonymous}::hash_table_kernel_test() [with hash_table = dlib::hash_table_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_table.cpp:652:69:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/hash_table_kernel_1.h:76:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, int>::map_pair(const dlib::map_pair<int, int>&)' is deprecated [-Wdeprecated-copy]
   76 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/hash_table_kernel_1.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_table.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_table.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::hash_table_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair::mpair(dlib::hash_table_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[167/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/matrix_chol.cpp.o -MF CMakeFiles/dtest.dir/matrix_chol.cpp.o.d -o CMakeFiles/dtest.dir/matrix_chol.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/matrix_chol.cpp
[168/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/ranking.cpp.o -MF CMakeFiles/dtest.dir/ranking.cpp.o.d -o CMakeFiles/dtest.dir/ranking.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp: In function 'void {anonymous}::run_prior_test()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:104:32: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 3, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 3, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 3, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  104 |         df = trainer.train(data);
      |                                ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:3:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 3, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 3, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp: In function 'void {anonymous}::run_prior_sparse_test()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:138:32: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >&)' is deprecated [-Wdeprecated-copy]
  138 |         df = trainer.train(data);
      |                                ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:3:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<long unsigned int, double> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp: In function 'void {anonymous}::dotest1()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:189:35: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 4, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 4, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 4, 1> > >&)' is deprecated [-Wdeprecated-copy]
  189 |         df = trainer.train(samples);
      |                                   ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:3:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 4, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 4, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:203:35: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 4, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 4, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 4, 1> > >&)' is deprecated [-Wdeprecated-copy]
  203 |         df = trainer.train(samples);
      |                                   ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:3:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 4, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 4, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp: In function 'void {anonymous}::dotest_sparse_vectors()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:267:35: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >&)' is deprecated [-Wdeprecated-copy]
  267 |         df = trainer.train(samples);
      |                                   ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:3:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<long unsigned int, double> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:284:35: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >&)' is deprecated [-Wdeprecated-copy]
  284 |         df = trainer.train(samples);
      |                                   ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:3:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<long unsigned int, double> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<long unsigned int, double> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp: In instantiation of 'void {anonymous}::test_svmrank_weight_force_dense() [with bool use_dcd_trainer = true]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:472:50:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:385:12: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  385 |         df = trainer.train(pair);
      |         ~~~^~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:3:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:396:13: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  396 |         df2 = strainer.train(pair);
      |         ~~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:3:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp: In instantiation of 'void {anonymous}::test_svmrank_weight_force_dense() [with bool use_dcd_trainer = false]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:473:51:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:385:12: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  385 |         df = trainer.train(pair);
      |         ~~~^~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:3:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:396:13: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >&)' is deprecated [-Wdeprecated-copy]
  396 |         df2 = strainer.train(pair);
      |         ~~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:3:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 10, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 10, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/dnn/layers.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/dnn.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/dnn/core.h: In instantiation of 'void dlib::deserialize(dlib::dnn_trainer<dlib::add_loss_layer<dlib::loss_ranking_, dlib::add_layer<dlib::fc_<1, dlib::FC_NO_BIAS>, dlib::input<dlib::matrix<float, 2, 1> >, void> > >&, std::istream&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/dnn/trainer.h:1054:32:   required from 'void dlib::dnn_trainer<net_type, solver_type>::sync_to_disk(bool) [with net_type = dlib::add_loss_layer<dlib::loss_ranking_, dlib::add_layer<dlib::fc_<1, dlib::FC_NO_BIAS>, dlib::input<dlib::matrix<float, 2, 1> >, void> >; solver_type = dlib::sgd]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/dnn/trainer.h:332:21:   required from 'void dlib::dnn_trainer<net_type, solver_type>::train(const std::vector<typename net_type::input_type>&, const std::vector<typename net_type::training_label_type>&) [with net_type = dlib::add_loss_layer<dlib::loss_ranking_, dlib::add_layer<dlib::fc_<1, dlib::FC_NO_BIAS>, dlib::input<dlib::matrix<float, 2, 1> >, void> >; solver_type = dlib::sgd; typename net_type::input_type = dlib::matrix<float, 2, 1>; typename net_type::training_label_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:439:22:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/dnn/core.h:1181:20: warning: implicitly-declared 'constexpr dlib::input<dlib::matrix<float, 2, 1> >& dlib::input<dlib::matrix<float, 2, 1> >::operator=(const dlib::input<dlib::matrix<float, 2, 1> >&)' is deprecated [-Wdeprecated-copy]
 1181 |         add_layer& operator=(const add_layer&) = default;
      |                    ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/dnn.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ranking.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/dnn/input.h:315:9: note: because 'dlib::input<dlib::matrix<float, 2, 1> >' has user-provided 'dlib::input<dlib::matrix<T, NR, NC, mm, l> >::input(const dlib::input<dlib::matrix<T, NR, NC, mm, l> >&) [with T = float; long int NR = 2; long int NC = 1; MM = dlib::memory_manager_stateless_kernel_1<char>; L = dlib::row_major_layout]'
  315 |         input(const input&) {}
      |         ^~~~~
[169/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/hog_image.cpp.o -MF CMakeFiles/dtest.dir/hog_image.cpp.o.d -o CMakeFiles/dtest.dir/hog_image.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hog_image.cpp
[170/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/matrix_lu.cpp.o -MF CMakeFiles/dtest.dir/matrix_lu.cpp.o.d -o CMakeFiles/dtest.dir/matrix_lu.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/matrix_lu.cpp
[171/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/iosockstream.cpp.o -MF CMakeFiles/dtest.dir/iosockstream.cpp.o.d -o CMakeFiles/dtest.dir/iosockstream.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/iosockstream.cpp
[172/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/linear_manifold_regularizer.cpp.o -MF CMakeFiles/dtest.dir/linear_manifold_regularizer.cpp.o.d -o CMakeFiles/dtest.dir/linear_manifold_regularizer.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/linear_manifold_regularizer.cpp
[173/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/is_same_object.cpp.o -MF CMakeFiles/dtest.dir/is_same_object.cpp.o.d -o CMakeFiles/dtest.dir/is_same_object.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/is_same_object.cpp
[174/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/isotonic_regression.cpp.o -MF CMakeFiles/dtest.dir/isotonic_regression.cpp.o.d -o CMakeFiles/dtest.dir/isotonic_regression.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/isotonic_regression.cpp
[175/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/matrix_qr.cpp.o -MF CMakeFiles/dtest.dir/matrix_qr.cpp.o.d -o CMakeFiles/dtest.dir/matrix_qr.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/matrix_qr.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/matrix_qr.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h: In function 'long int dlib::svd4(dlib::svd_u_mode, bool, const dlib::matrix_exp<EXP>&, dlib::matrix<typename EXP::type, uM, uN, MM1, L1>&, dlib::matrix<typename EXP::type, qN, qX, MM2, L1>&, dlib::matrix<typename EXP::type, vM, vN, MM3, L1>&) [with EXP = dlib::matrix_op<dlib::op_trans<dlib::matrix_mul_scal_exp<dlib::matrix<double, 4, 3, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, true> > >; long int qN = 3; long int qX = 1; long int uM = 3; long int uN = 3; long int vM = 4; long int vN = 3; MM1 = dlib::memory_manager_stateless_kernel_1<char>; MM2 = dlib::memory_manager_stateless_kernel_1<char>; MM3 = dlib::memory_manager_stateless_kernel_1<char>; L1 = dlib::row_major_layout]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:225:32: warning: iteration 3 invokes undefined behavior [-Waggressive-loop-optimizations]
  225 |             y = abs(q(i)) + abs(e(i));
      |                             ~~~^~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:163:20: note: within this loop
  163 |         for (i=0; i<n; i++)
      |                   ~^~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h: In function 'long int dlib::svd4(dlib::svd_u_mode, bool, const dlib::matrix_exp<EXP>&, dlib::matrix<typename EXP::type, uM, uN, MM1, L1>&, dlib::matrix<typename EXP::type, qN, qX, MM2, L1>&, dlib::matrix<typename EXP::type, vM, vN, MM3, L1>&) [with EXP = dlib::matrix_op<dlib::op_trans<dlib::matrix_mul_scal_exp<dlib::matrix<double, 9, 4, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, true> > >; long int qN = 4; long int qX = 1; long int uM = 4; long int uN = 4; long int vM = 9; long int vN = 4; MM1 = dlib::memory_manager_stateless_kernel_1<char>; MM2 = dlib::memory_manager_stateless_kernel_1<char>; MM3 = dlib::memory_manager_stateless_kernel_1<char>; L1 = dlib::row_major_layout]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:225:32: warning: iteration 4 invokes undefined behavior [-Waggressive-loop-optimizations]
  225 |             y = abs(q(i)) + abs(e(i));
      |                             ~~~^~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:163:20: note: within this loop
  163 |         for (i=0; i<n; i++)
      |                   ~^~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h: In function 'long int dlib::svd4(dlib::svd_u_mode, bool, const dlib::matrix_exp<EXP>&, dlib::matrix<typename EXP::type, uM, uN, MM1, L1>&, dlib::matrix<typename EXP::type, qN, qX, MM2, L1>&, dlib::matrix<typename EXP::type, vM, vN, MM3, L1>&) [with EXP = dlib::matrix_op<dlib::op_trans<dlib::matrix_mul_scal_exp<dlib::matrix<float, 4, 3, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, true> > >; long int qN = 3; long int qX = 1; long int uM = 3; long int uN = 3; long int vM = 4; long int vN = 3; MM1 = dlib::memory_manager_stateless_kernel_1<char>; MM2 = dlib::memory_manager_stateless_kernel_1<char>; MM3 = dlib::memory_manager_stateless_kernel_1<char>; L1 = dlib::row_major_layout]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:225:32: warning: iteration 3 invokes undefined behavior [-Waggressive-loop-optimizations]
  225 |             y = abs(q(i)) + abs(e(i));
      |                             ~~~^~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:163:20: note: within this loop
  163 |         for (i=0; i<n; i++)
      |                   ~^~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h: In function 'long int dlib::svd4(dlib::svd_u_mode, bool, const dlib::matrix_exp<EXP>&, dlib::matrix<typename EXP::type, uM, uN, MM1, L1>&, dlib::matrix<typename EXP::type, qN, qX, MM2, L1>&, dlib::matrix<typename EXP::type, vM, vN, MM3, L1>&) [with EXP = dlib::matrix_op<dlib::op_trans<dlib::matrix_mul_scal_exp<dlib::matrix<float, 5, 4, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, true> > >; long int qN = 4; long int qX = 1; long int uM = 4; long int uN = 4; long int vM = 5; long int vN = 4; MM1 = dlib::memory_manager_stateless_kernel_1<char>; MM2 = dlib::memory_manager_stateless_kernel_1<char>; MM3 = dlib::memory_manager_stateless_kernel_1<char>; L1 = dlib::row_major_layout]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:225:32: warning: iteration 4 invokes undefined behavior [-Waggressive-loop-optimizations]
  225 |             y = abs(q(i)) + abs(e(i));
      |                             ~~~^~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:163:20: note: within this loop
  163 |         for (i=0; i<n; i++)
      |                   ~^~
[176/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/kernel_matrix.cpp.o -MF CMakeFiles/dtest.dir/kernel_matrix.cpp.o.d -o CMakeFiles/dtest.dir/kernel_matrix.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/kernel_matrix.cpp
[177/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/kmeans.cpp.o -MF CMakeFiles/dtest.dir/kmeans.cpp.o.d -o CMakeFiles/dtest.dir/kmeans.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/kmeans.cpp
[178/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/matrix4.cpp.o -MF CMakeFiles/dtest.dir/matrix4.cpp.o.d -o CMakeFiles/dtest.dir/matrix4.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/matrix4.cpp
[179/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/matrix2.cpp.o -MF CMakeFiles/dtest.dir/matrix2.cpp.o.d -o CMakeFiles/dtest.dir/matrix2.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/matrix2.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/matrix2.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h: In function 'long int dlib::svd4(dlib::svd_u_mode, bool, const dlib::matrix_exp<EXP>&, dlib::matrix<typename EXP::type, uM, uN, MM1, L1>&, dlib::matrix<typename EXP::type, qN, qX, MM2, L1>&, dlib::matrix<typename EXP::type, vM, vN, MM3, L1>&) [with EXP = dlib::matrix_op<dlib::op_trans<dlib::matrix_add_exp<dlib::matrix<double, 10, 7, dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 10> > >, dlib::matrix<double, 10, 7, dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 10> > > > > >; long int qN = 7; long int qX = 1; long int uM = 7; long int uN = 7; long int vM = 10; long int vN = 0; MM1 = dlib::memory_manager_stateless_kernel_1<char>; MM2 = dlib::memory_manager_stateless_kernel_1<char>; MM3 = dlib::memory_manager_stateless_kernel_1<char>; L1 = dlib::row_major_layout]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:225:32: warning: iteration 7 invokes undefined behavior [-Waggressive-loop-optimizations]
  225 |             y = abs(q(i)) + abs(e(i));
      |                             ~~~^~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:163:20: note: within this loop
  163 |         for (i=0; i<n; i++)
      |                   ~^~
[180/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/kcentroid.cpp.o -MF CMakeFiles/dtest.dir/kcentroid.cpp.o.d -o CMakeFiles/dtest.dir/kcentroid.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/kcentroid.cpp
[181/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/one_vs_all_trainer.cpp.o -MF CMakeFiles/dtest.dir/one_vs_all_trainer.cpp.o.d -o CMakeFiles/dtest.dir/one_vs_all_trainer.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_all_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_all_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, double>; DF1 = dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF2 = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:179:22:   required from 'void {anonymous}::test_one_vs_all_trainer::run_test() [with label_type = double; scalar_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:276:36:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:164:87: warning: implicitly-declared 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  164 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:165:87: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  165 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_all_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_all_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, int>; DF1 = dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF2 = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:179:22:   required from 'void {anonymous}::test_one_vs_all_trainer::run_test() [with label_type = int; scalar_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:279:33:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:164:87: warning: implicitly-declared 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  164 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:165:87: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  165 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_all_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_all_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, double>; DF1 = dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF2 = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:179:22:   required from 'void {anonymous}::test_one_vs_all_trainer::run_test() [with label_type = double; scalar_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:282:35:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:164:87: warning: implicitly-declared 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  164 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:165:87: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  165 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_all_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_all_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, int>; DF1 = dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF2 = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:179:22:   required from 'void {anonymous}::test_one_vs_all_trainer::run_test() [with label_type = int; scalar_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:285:32:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:164:87: warning: implicitly-declared 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  164 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:165:87: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  165 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_all_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_all_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, double>; DF1 = dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; DF2 = dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:255:22:   required from 'void {anonymous}::test_one_vs_all_trainer::run_probabilistic_test() [with label_type = double; scalar_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:288:50:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:164:87: warning: implicitly-declared 'dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' is deprecated [-Wdeprecated-copy]
  164 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:140:9: note: because 'dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >' has user-provided 'dlib::probabilistic_function<function_type>::probabilistic_function(const dlib::probabilistic_function<function_type>&) [with function_type = dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]'
  140 |         probabilistic_function (
      |         ^~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:126:12: warning: implicitly-declared 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  126 |     struct probabilistic_function
      |            ^~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:164:87: note: synthesized method 'dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' first required here
  164 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:165:87: warning: implicitly-declared 'dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' is deprecated [-Wdeprecated-copy]
  165 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:140:9: note: because 'dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >' has user-provided 'dlib::probabilistic_function<function_type>::probabilistic_function(const dlib::probabilistic_function<function_type>&) [with function_type = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]'
  140 |         probabilistic_function (
      |         ^~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:126:12: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  126 |     struct probabilistic_function
      |            ^~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:165:87: note: synthesized method 'dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' first required here
  165 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_all_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_all_trainer<dlib::any_trainer<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>, int>; DF1 = dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; DF2 = dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:255:22:   required from 'void {anonymous}::test_one_vs_all_trainer::run_probabilistic_test() [with label_type = int; scalar_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:291:47:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:164:87: warning: implicitly-declared 'dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' is deprecated [-Wdeprecated-copy]
  164 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:140:9: note: because 'dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >' has user-provided 'dlib::probabilistic_function<function_type>::probabilistic_function(const dlib::probabilistic_function<function_type>&) [with function_type = dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]'
  140 |         probabilistic_function (
      |         ^~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:165:87: warning: implicitly-declared 'dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' is deprecated [-Wdeprecated-copy]
  165 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:140:9: note: because 'dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >' has user-provided 'dlib::probabilistic_function<function_type>::probabilistic_function(const dlib::probabilistic_function<function_type>&) [with function_type = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]'
  140 |         probabilistic_function (
      |         ^~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_all_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_all_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, double>; DF1 = dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; DF2 = dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:255:22:   required from 'void {anonymous}::test_one_vs_all_trainer::run_probabilistic_test() [with label_type = double; scalar_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:294:49:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:164:87: warning: implicitly-declared 'dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' is deprecated [-Wdeprecated-copy]
  164 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:140:9: note: because 'dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >' has user-provided 'dlib::probabilistic_function<function_type>::probabilistic_function(const dlib::probabilistic_function<function_type>&) [with function_type = dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]'
  140 |         probabilistic_function (
      |         ^~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:126:12: warning: implicitly-declared 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  126 |     struct probabilistic_function
      |            ^~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:164:87: note: synthesized method 'dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' first required here
  164 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:165:87: warning: implicitly-declared 'dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' is deprecated [-Wdeprecated-copy]
  165 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:140:9: note: because 'dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >' has user-provided 'dlib::probabilistic_function<function_type>::probabilistic_function(const dlib::probabilistic_function<function_type>&) [with function_type = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]'
  140 |         probabilistic_function (
      |         ^~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:126:12: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  126 |     struct probabilistic_function
      |            ^~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:165:87: note: synthesized method 'dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' first required here
  165 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h: In instantiation of 'void dlib::serialize(const dlib::one_vs_all_decision_function<T, DF1, DF2, DF3, DF4, DF5, DF6, DF7, DF8, DF9, DF10>&, std::ostream&) [with T = dlib::one_vs_all_trainer<dlib::any_trainer<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, int>; DF1 = dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; DF2 = dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; DF3 = dlib::null_df; DF4 = dlib::null_df; DF5 = dlib::null_df; DF6 = dlib::null_df; DF7 = dlib::null_df; DF8 = dlib::null_df; DF9 = dlib::null_df; DF10 = dlib::null_df; std::ostream = std::basic_ostream<char>]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:255:22:   required from 'void {anonymous}::test_one_vs_all_trainer::run_probabilistic_test() [with label_type = int; scalar_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:297:46:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:164:87: warning: implicitly-declared 'dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' is deprecated [-Wdeprecated-copy]
  164 |                 if      (i->second.template contains<DF1>()) temp.template get<DF1>() = any_cast<DF1>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:140:9: note: because 'dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >' has user-provided 'dlib::probabilistic_function<function_type>::probabilistic_function(const dlib::probabilistic_function<function_type>&) [with function_type = dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]'
  140 |         probabilistic_function (
      |         ^~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:48,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_all_decision_function.h:165:87: warning: implicitly-declared 'dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >& dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >::operator=(const dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >&)' is deprecated [-Wdeprecated-copy]
  165 |                 else if (i->second.template contains<DF2>()) temp.template get<DF2>() = any_cast<DF2>(i->second);
      |                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:140:9: note: because 'dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >' has user-provided 'dlib::probabilistic_function<function_type>::probabilistic_function(const dlib::probabilistic_function<function_type>&) [with function_type = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]'
  140 |         probabilistic_function (
      |         ^~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h: In instantiation of 'const dlib::probabilistic_function<typename trainer_type::trained_function_type> dlib::train_probabilistic_decision_function(const trainer_type&, const sample_vector_type&, const label_vector_type&, long int) [with trainer_type = dlib::svm_nu_trainer<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_vector_type = std::vector<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; label_vector_type = std::vector<float, std::allocator<float> >; typename trainer_type::trained_function_type = dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:927:57:   required from 'const trained_function_type dlib::trainer_adapter_probabilistic<trainer_type>::train(const T&, const U&) const [with T = std::vector<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; U = std::vector<float, std::allocator<float> >; trainer_type = dlib::svm_nu_trainer<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; dlib::trainer_adapter_probabilistic<trainer_type>::trained_function_type = dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::trainer_adapter_probabilistic<dlib::svm_nu_trainer<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; sample_type_ = dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; scalar_type_ = float; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:884:15: warning: implicitly-declared 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  884 |             d = trainer.train (x_train,y_train);
      |             ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::polynomial_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h: In instantiation of 'const dlib::probabilistic_function<typename trainer_type::trained_function_type> dlib::train_probabilistic_decision_function(const trainer_type&, const sample_vector_type&, const label_vector_type&, long int) [with trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_vector_type = std::vector<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; label_vector_type = std::vector<float, std::allocator<float> >; typename trainer_type::trained_function_type = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:927:57:   required from 'const trained_function_type dlib::trainer_adapter_probabilistic<trainer_type>::train(const T&, const U&) const [with T = std::vector<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; U = std::vector<float, std::allocator<float> >; trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; dlib::trainer_adapter_probabilistic<trainer_type>::trained_function_type = dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::trainer_adapter_probabilistic<dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; sample_type_ = dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; scalar_type_ = float; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:884:15: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  884 |             d = trainer.train (x_train,y_train);
      |             ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h: In instantiation of 'const dlib::probabilistic_function<typename trainer_type::trained_function_type> dlib::train_probabilistic_decision_function(const trainer_type&, const sample_vector_type&, const label_vector_type&, long int) [with trainer_type = dlib::svm_nu_trainer<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_vector_type = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; label_vector_type = std::vector<double>; typename trainer_type::trained_function_type = dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:927:57:   required from 'const trained_function_type dlib::trainer_adapter_probabilistic<trainer_type>::train(const T&, const U&) const [with T = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; U = std::vector<double>; trainer_type = dlib::svm_nu_trainer<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; dlib::trainer_adapter_probabilistic<trainer_type>::trained_function_type = dlib::probabilistic_function<dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::trainer_adapter_probabilistic<dlib::svm_nu_trainer<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; sample_type_ = dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; scalar_type_ = double; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:884:15: warning: implicitly-declared 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  884 |             d = trainer.train (x_train,y_train);
      |             ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::polynomial_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h: In instantiation of 'const dlib::probabilistic_function<typename trainer_type::trained_function_type> dlib::train_probabilistic_decision_function(const trainer_type&, const sample_vector_type&, const label_vector_type&, long int) [with trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_vector_type = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; label_vector_type = std::vector<double>; typename trainer_type::trained_function_type = dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:927:57:   required from 'const trained_function_type dlib::trainer_adapter_probabilistic<trainer_type>::train(const T&, const U&) const [with T = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; U = std::vector<double>; trainer_type = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; dlib::trainer_adapter_probabilistic<trainer_type>::trained_function_type = dlib::probabilistic_function<dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::trainer_adapter_probabilistic<dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > >; sample_type_ = dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; scalar_type_ = double; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm.h:884:15: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  884 |             d = trainer.train (x_train,y_train);
      |             ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<float, std::allocator<float> > > >; K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; typename kern_type::scalar_type = float; typename K::scalar_type = float; dlib::krr_trainer<K>::scalar_type = float]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; in_scalar_vector_type = std::vector<float, std::allocator<float> >; K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_type_ = dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; scalar_type_ = float; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<float, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >; typename kern_type::scalar_type = double; typename K::scalar_type = double; dlib::krr_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, std::allocator<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; in_scalar_vector_type = std::vector<double>; K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::krr_trainer<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >; sample_type_ = dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; scalar_type_ = double; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, double>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/one_vs_all_trainer.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 2, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
[182/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/find_max_factor_graph_nmplp.cpp.o -MF CMakeFiles/dtest.dir/find_max_factor_graph_nmplp.cpp.o.d -o CMakeFiles/dtest.dir/find_max_factor_graph_nmplp.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/find_max_factor_graph_nmplp.cpp
[183/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/least_squares.cpp.o -MF CMakeFiles/dtest.dir/least_squares.cpp.o.d -o CMakeFiles/dtest.dir/least_squares.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/least_squares.cpp
[184/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/filtering.cpp.o -MF CMakeFiles/dtest.dir/filtering.cpp.o.d -o CMakeFiles/dtest.dir/filtering.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/filtering.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/filtering/../matrix.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/filtering/kalman_filter.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/filtering.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/filtering.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/filtering/../matrix/matrix_la.h: In function 'long int dlib::svd4(dlib::svd_u_mode, bool, const dlib::matrix_exp<EXP>&, dlib::matrix<typename EXP::type, uM, uN, MM1, L1>&, dlib::matrix<typename EXP::type, qN, qX, MM2, L1>&, dlib::matrix<typename EXP::type, vM, vN, MM3, L1>&) [with EXP = dlib::matrix_op<dlib::op_trans<dlib::matrix_op<dlib::op_trans<dlib::matrix<double, 2, 6> > > > >; long int qN = 2; long int qX = 1; long int uM = 2; long int uN = 2; long int vM = 6; long int vN = 2; MM1 = dlib::memory_manager_stateless_kernel_1<char>; MM2 = dlib::memory_manager_stateless_kernel_1<char>; MM3 = dlib::memory_manager_stateless_kernel_1<char>; L1 = dlib::row_major_layout]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/filtering/../matrix/matrix_la.h:225:32: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations]
  225 |             y = abs(q(i)) + abs(e(i));
      |                             ~~~^~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/filtering/../matrix/matrix_la.h:163:20: note: within this loop
  163 |         for (i=0; i<n; i++)
      |                   ~^~
[185/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/fhog.cpp.o -MF CMakeFiles/dtest.dir/fhog.cpp.o.d -o CMakeFiles/dtest.dir/fhog.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/fhog.cpp
[186/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/find_max_factor_graph_viterbi.cpp.o -MF CMakeFiles/dtest.dir/find_max_factor_graph_viterbi.cpp.o.d -o CMakeFiles/dtest.dir/find_max_factor_graph_viterbi.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/find_max_factor_graph_viterbi.cpp
[187/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/learning_to_track.cpp.o -MF CMakeFiles/dtest.dir/learning_to_track.cpp.o.d -o CMakeFiles/dtest.dir/learning_to_track.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/learning_to_track.cpp
[188/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/graph.cpp.o -MF CMakeFiles/dtest.dir/graph.cpp.o.d -o CMakeFiles/dtest.dir/graph.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/graph.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/graph.cpp:8:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:724:17:   required from 'void dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>&) [with domain = long unsigned int; range = char; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<long unsigned int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/set_kernel_1.h:276:17:   required from 'void dlib::set_kernel_1<T, bst_base, mem_manager>::swap(dlib::set_kernel_1<T, bst_base, mem_manager>&) [with T = long unsigned int; bst_base = dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:1003:19:   required from 'void dlib::create_join_tree(const graph_type&, join_tree_type&) [with graph_type = dlib::graph_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, true>; join_tree_type = dlib::graph_kernel_1<dlib::set_compare_1<dlib::set_kernel_c<dlib::set_kernel_1<long unsigned int, dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >, dlib::memory_manager_stateless_kernel_1<char> > > >, dlib::set_compare_1<dlib::set_kernel_c<dlib::set_kernel_1<long unsigned int, dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >, dlib::memory_manager_stateless_kernel_1<char> > > >, dlib::memory_manager_stateless_kernel_1<char>, true>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/graph.cpp:283:25:   required from 'void {anonymous}::graph_test() [with graph = dlib::graph_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, true>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/graph.cpp:401:48:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:84:15: warning: implicitly-declared 'constexpr dlib::map_pair<long unsigned int, char>::map_pair(const dlib::map_pair<long unsigned int, char>&)' is deprecated [-Wdeprecated-copy]
   84 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph/../serialize.h:238,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph/graph_kernel_1.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/graph.cpp:7:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<long unsigned int, char>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = long unsigned int; T2 = char]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/graph.cpp:3:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair::mpair(dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[189/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/matrix.cpp.o -MF CMakeFiles/dtest.dir/matrix.cpp.o.d -o CMakeFiles/dtest.dir/matrix.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/matrix.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/matrix.cpp:6:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h: In function 'long int dlib::svd4(dlib::svd_u_mode, bool, const dlib::matrix_exp<EXP>&, dlib::matrix<typename EXP::type, uM, uN, MM1, L1>&, dlib::matrix<typename EXP::type, qN, qX, MM2, L1>&, dlib::matrix<typename EXP::type, vM, vN, MM3, L1>&) [with EXP = dlib::matrix_op<dlib::op_trans<dlib::matrix<double, 5, 2, dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 10> >, dlib::column_major_layout> > >; long int qN = 2; long int qX = 1; long int uM = 2; long int uN = 2; long int vM = 5; long int vN = 2; MM1 = dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 10> >; MM2 = dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 10> >; MM3 = dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 10> >; L1 = dlib::column_major_layout]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:225:32: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations]
  225 |             y = abs(q(i)) + abs(e(i));
      |                             ~~~^~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:163:20: note: within this loop
  163 |         for (i=0; i<n; i++)
      |                   ~^~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h: In function 'long int dlib::svd4(dlib::svd_u_mode, bool, const dlib::matrix_exp<EXP>&, dlib::matrix<typename EXP::type, uM, uN, MM1, L1>&, dlib::matrix<typename EXP::type, qN, qX, MM2, L1>&, dlib::matrix<typename EXP::type, vM, vN, MM3, L1>&) [with EXP = dlib::matrix_op<dlib::op_trans<dlib::matrix_op<dlib::op_trans<dlib::matrix_op<dlib::op_trans<dlib::matrix<double, 5, 2, dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 10> >, dlib::column_major_layout> > > > > > >; long int qN = 2; long int qX = 1; long int uM = 2; long int uN = 2; long int vM = 5; long int vN = 2; MM1 = dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 10> >; MM2 = dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 10> >; MM3 = dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 10> >; L1 = dlib::column_major_layout]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:225:32: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations]
  225 |             y = abs(q(i)) + abs(e(i));
      |                             ~~~^~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/matrix/matrix_la.h:163:20: note: within this loop
  163 |         for (i=0; i<n; i++)
      |                   ~^~
[190/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/hash_set.cpp.o -MF CMakeFiles/dtest.dir/hash_set.cpp.o.d -o CMakeFiles/dtest.dir/hash_set.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_set.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_set.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_set.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/hash_table_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::hash_table_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_set/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::hash_table_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/hash_table_kernel_1.h:648:17:   required from 'void dlib::hash_table_kernel_1<domain, range, mem_manager, compare>::swap(dlib::hash_table_kernel_1<domain, range, mem_manager, compare>&) [with domain = int; range = char; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_set/hash_set_kernel_1.h:289:19:   required from 'void dlib::hash_set_kernel_1<T, expnum, hash_table, mem_manager>::swap(dlib::hash_set_kernel_1<T, expnum, hash_table, mem_manager>&) [with T = int; long unsigned int expnum = 14; hash_table = dlib::hash_table_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_set.cpp:174:22:   required from 'void {anonymous}::hash_set_kernel_test() [with hash_set = dlib::hash_set_kernel_1<int, 14, dlib::hash_table_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >, dlib::memory_manager_stateless_kernel_1<char> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_set.cpp:372:62:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/hash_table_kernel_1.h:76:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, char>::map_pair(const dlib::map_pair<int, char>&)' is deprecated [-Wdeprecated-copy]
   76 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_set/../serialize.h:238,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_set/hash_set_kernel_1.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_set.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_set.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_set/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, char>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = char]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_set.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::hash_table_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair::mpair(dlib::hash_table_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[191/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/hash.cpp.o -MF CMakeFiles/dtest.dir/hash.cpp.o.d -o CMakeFiles/dtest.dir/hash.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash.cpp
[192/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/example_args.cpp.o -MF CMakeFiles/dtest.dir/example_args.cpp.o.d -o CMakeFiles/dtest.dir/example_args.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/example_args.cpp
[193/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/geometry.cpp.o -MF CMakeFiles/dtest.dir/geometry.cpp.o.d -o CMakeFiles/dtest.dir/geometry.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/geometry.cpp
[194/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/entropy_encoder_model.cpp.o -MF CMakeFiles/dtest.dir/entropy_encoder_model.cpp.o.d -o CMakeFiles/dtest.dir/entropy_encoder_model.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/entropy_encoder_model.cpp
[195/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/hash_map.cpp.o -MF CMakeFiles/dtest.dir/hash_map.cpp.o.d -o CMakeFiles/dtest.dir/hash_map.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_map.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_map.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_map.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/hash_table_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::hash_table_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_map/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::hash_table_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/hash_table_kernel_1.h:648:17:   required from 'void dlib::hash_table_kernel_1<domain, range, mem_manager, compare>::swap(dlib::hash_table_kernel_1<domain, range, mem_manager, compare>&) [with domain = int; range = int; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_map/hash_map_kernel_1.h:352:19:   required from 'void dlib::hash_map_kernel_1<domain, range, expnum, hash_table, mem_manager>::swap(dlib::hash_map_kernel_1<domain, range, expnum, hash_table, mem_manager>&) [with domain = int; range = int; long unsigned int expnum = 14; hash_table = dlib::hash_table_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_map.cpp:181:22:   required from 'void {anonymous}::hash_map_kernel_test() [with hash_map = dlib::hash_map_kernel_1<int, int, 14, dlib::hash_table_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >, dlib::memory_manager_stateless_kernel_1<char> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_map.cpp:430:66:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_table/hash_table_kernel_1.h:76:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, int>::map_pair(const dlib::map_pair<int, int>&)' is deprecated [-Wdeprecated-copy]
   76 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_map/hash_map_kernel_1.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_map.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_map.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/hash_map/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/hash_map.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::hash_table_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair::mpair(dlib::hash_table_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[196/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/disjoint_subsets.cpp.o -MF CMakeFiles/dtest.dir/disjoint_subsets.cpp.o.d -o CMakeFiles/dtest.dir/disjoint_subsets.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/disjoint_subsets.cpp
[197/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/entropy_coder.cpp.o -MF CMakeFiles/dtest.dir/entropy_coder.cpp.o.d -o CMakeFiles/dtest.dir/entropy_coder.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/entropy_coder.cpp
[198/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/ekm_and_lisf.cpp.o -MF CMakeFiles/dtest.dir/ekm_and_lisf.cpp.o.d -o CMakeFiles/dtest.dir/ekm_and_lisf.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ekm_and_lisf.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:28,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ekm_and_lisf.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/empirical_kernel_map.h: In instantiation of 'void dlib::empirical_kernel_map<kern_type>::get_transformation_to(const dlib::empirical_kernel_map<kern_type>&, dlib::matrix<typename K::scalar_type, 0, 0, typename K::mem_manager_type>&, dlib::projection_function<K>&) const [with kern_type = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >; typename K::mem_manager_type = dlib::memory_manager_stateless_kernel_1<char>; typename K::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ekm_and_lisf.cpp:51:44:   required from 'void {anonymous}::empirical_kernel_map_tester::validate(const T&, const T&) [with T = dlib::empirical_kernel_map<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ekm_and_lisf.cpp:98:33:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/empirical_kernel_map.h:247:32: warning: implicitly-declared 'dlib::projection_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::projection_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::projection_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  247 |             partial_projection = temp_ekm.get_projection_function();
      |             ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/ekm_and_lisf.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:676:9: note: because 'dlib::projection_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::projection_function<K>::projection_function(const dlib::projection_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
  676 |         projection_function (
      |         ^~~~~~~~~~~~~~~~~~~
[199/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/image.cpp.o -MF CMakeFiles/dtest.dir/image.cpp.o.d -o CMakeFiles/dtest.dir/image.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/image.cpp
[200/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/graph_cuts.cpp.o -MF CMakeFiles/dtest.dir/graph_cuts.cpp.o.d -o CMakeFiles/dtest.dir/graph_cuts.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/graph_cuts.cpp
[201/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/disjoint_subsets_sized.cpp.o -MF CMakeFiles/dtest.dir/disjoint_subsets_sized.cpp.o.d -o CMakeFiles/dtest.dir/disjoint_subsets_sized.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/disjoint_subsets_sized.cpp
[202/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/empirical_kernel_map.cpp.o -MF CMakeFiles/dtest.dir/empirical_kernel_map.cpp.o.d -o CMakeFiles/dtest.dir/empirical_kernel_map.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp: In member function 'void {anonymous}::empirical_kernel_map_tester::test_projection_error()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:111:28: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  111 |                     temp = dec1;
      |                            ^~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:113:28: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  113 |                     temp = dec2;
      |                            ^~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:115:111: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  115 |                     temp = distance_function<kernel_type>(dec1.alpha, dec1.kernel_function, dec1.basis_vectors);
      |                                                                                                               ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:118:27: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  118 |                     df1 = dec1;
      |                           ^~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:120:34: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  120 |                     temp = df1 + df2;
      |                                  ^~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:130:34: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  130 |                     temp = df1 - df2;
      |                                  ^~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:131:123: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  131 |                     dec3 = decision_function<kernel_type>(temp.get_alpha(), 0, temp.get_kernel(), temp.get_basis_vectors());
      |                                                                                                                           ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:139:42: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  139 |                     temp = 3*(df1 - df2)*2;
      |                                          ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:140:123: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  140 |                     dec3 = decision_function<kernel_type>(temp.get_alpha(), 0, temp.get_kernel(), temp.get_basis_vectors());
      |                                                                                                                           ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:150:121: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  150 |                     temp = df_empty + (df1 + df2)/2 + df_empty - df_empty + (df_empty + df_empty) - (df_empty - df_empty);
      |                                                                                                                         ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:151:123: warning: implicitly-declared 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  151 |                     dec3 = decision_function<kernel_type>(temp.get_alpha(), 0, temp.get_kernel(), temp.get_basis_vectors());
      |                                                                                                                           ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp: In instantiation of 'void {anonymous}::empirical_kernel_map_tester::test_with_kernel(const kernel_type&) [with kernel_type = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:428:29:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:407:25: warning: implicitly-declared 'dlib::distance_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  407 |                     df1 = ekm.convert_to_distance_function(samp);
      |                     ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:408:25: warning: implicitly-declared 'dlib::distance_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  408 |                     df2 = ekm2.convert_to_distance_function(transform*samp);
      |                     ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp: In instantiation of 'void {anonymous}::empirical_kernel_map_tester::test_with_kernel(const kernel_type&) [with kernel_type = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:431:29:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:407:25: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  407 |                     df1 = ekm.convert_to_distance_function(samp);
      |                     ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:408:25: warning: implicitly-declared 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >& dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  408 |                     df2 = ekm2.convert_to_distance_function(transform*samp);
      |                     ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/empirical_kernel_map.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:356:9: note: because 'dlib::distance_function<dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::distance_function<K>::distance_function(const dlib::distance_function<K>&) [with K = dlib::radial_basis_kernel<dlib::matrix<double, 0, 1> >]'
  356 |         distance_function (
      |         ^~~~~~~~~~~~~~~~~
[203/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/crc32.cpp.o -MF CMakeFiles/dtest.dir/crc32.cpp.o.d -o CMakeFiles/dtest.dir/crc32.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/crc32.cpp
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/crc32.cpp: In member function 'virtual void {anonymous}::crc32_tester::perform_test()':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/crc32.cpp:45:23: warning: implicitly-declared 'constexpr dlib::crc32::crc32(const dlib::crc32&)' is deprecated [-Wdeprecated-copy]
   45 |             crc32 c3(c);
      |                       ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/crc32.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/crc32.cpp:10:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/crc32/crc32_kernel_1.h:248:12: note: because 'dlib::crc32' has user-provided 'dlib::crc32& dlib::crc32::operator=(const dlib::crc32&)'
  248 |     crc32& crc32::
      |            ^~~~~
[204/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/matrix3.cpp.o -MF CMakeFiles/dtest.dir/matrix3.cpp.o.d -o CMakeFiles/dtest.dir/matrix3.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/matrix3.cpp
[205/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/create_iris_datafile.cpp.o -MF CMakeFiles/dtest.dir/create_iris_datafile.cpp.o.d -o CMakeFiles/dtest.dir/create_iris_datafile.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/create_iris_datafile.cpp
[206/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/discriminant_pca.cpp.o -MF CMakeFiles/dtest.dir/discriminant_pca.cpp.o.d -o CMakeFiles/dtest.dir/discriminant_pca.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/discriminant_pca.cpp
[207/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/graph_labeler.cpp.o -MF CMakeFiles/dtest.dir/graph_labeler.cpp.o.d -o CMakeFiles/dtest.dir/graph_labeler.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/graph_labeler.cpp
[208/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/directed_graph.cpp.o -MF CMakeFiles/dtest.dir/directed_graph.cpp.o.d -o CMakeFiles/dtest.dir/directed_graph.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/directed_graph.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/directed_graph.cpp:11:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/directed_graph/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:724:17:   required from 'void dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>&) [with domain = long unsigned int; range = char; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<long unsigned int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/set_kernel_1.h:276:17:   required from 'void dlib::set_kernel_1<T, bst_base, mem_manager>::swap(dlib::set_kernel_1<T, bst_base, mem_manager>&) [with T = long unsigned int; bst_base = dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:1003:19:   required from 'void dlib::create_join_tree(const graph_type&, join_tree_type&) [with graph_type = dlib::graph_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, true>; join_tree_type = dlib::graph_kernel_1<dlib::set_compare_1<dlib::set_kernel_c<dlib::set_kernel_1<long unsigned int, dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >, dlib::memory_manager_stateless_kernel_1<char> > > >, dlib::set_compare_1<dlib::set_kernel_c<dlib::set_kernel_1<long unsigned int, dlib::binary_search_tree_kernel_1<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >, dlib::memory_manager_stateless_kernel_1<char> > > >, dlib::memory_manager_stateless_kernel_1<char>, true>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/directed_graph.cpp:389:25:   required from 'void {anonymous}::directed_graph_test() [with directed_graph = dlib::directed_graph_kernel_1<int, short unsigned int, dlib::memory_manager_stateless_kernel_1<char>, true>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/directed_graph.cpp:531:81:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:84:15: warning: implicitly-declared 'constexpr dlib::map_pair<long unsigned int, char>::map_pair(const dlib::map_pair<long unsigned int, char>&)' is deprecated [-Wdeprecated-copy]
   84 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/directed_graph/../serialize.h:238,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/directed_graph/directed_graph_kernel_1.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/directed_graph.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/directed_graph.cpp:9:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/directed_graph/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<long unsigned int, char>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = long unsigned int; T2 = char]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/directed_graph.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair::mpair(dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/directed_graph.cpp:11:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_1<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/directed_graph/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_1<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_1.h:765:17:   required from 'void dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>&) [with domain = long unsigned int; range = char; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<long unsigned int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/set_kernel_1.h:276:17:   required from 'void dlib::set_kernel_1<T, bst_base, mem_manager>::swap(dlib::set_kernel_1<T, bst_base, mem_manager>&) [with T = long unsigned int; bst_base = dlib::binary_search_tree_kernel_1<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:1021:45:   required from 'void dlib::create_join_tree(const graph_type&, join_tree_type&) [with graph_type = dlib::graph_kernel_1<int, char, dlib::memory_manager_stateless_kernel_1<char>, true>; join_tree_type = dlib::graph_kernel_1<dlib::set_compare_1<dlib::set_kernel_c<dlib::set_kernel_1<long unsigned int, dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >, dlib::memory_manager_stateless_kernel_1<char> > > >, dlib::set_compare_1<dlib::set_kernel_c<dlib::set_kernel_1<long unsigned int, dlib::binary_search_tree_kernel_1<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >, dlib::memory_manager_stateless_kernel_1<char> > > >, dlib::memory_manager_stateless_kernel_1<char>, true>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/directed_graph.cpp:389:25:   required from 'void {anonymous}::directed_graph_test() [with directed_graph = dlib::directed_graph_kernel_1<int, short unsigned int, dlib::memory_manager_stateless_kernel_1<char>, true>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/directed_graph.cpp:531:81:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_1.h:88:15: warning: implicitly-declared 'constexpr dlib::map_pair<long unsigned int, char>::map_pair(const dlib::map_pair<long unsigned int, char>&)' is deprecated [-Wdeprecated-copy]
   88 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/directed_graph/../serialize.h:238,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/directed_graph/directed_graph_kernel_1.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/directed_graph.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/directed_graph.cpp:9:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/directed_graph/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<long unsigned int, char>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = long unsigned int; T2 = char]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/directed_graph.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_1<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair::mpair(dlib::binary_search_tree_kernel_1<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[209/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/matrix_eig.cpp.o -MF CMakeFiles/dtest.dir/matrix_eig.cpp.o.d -o CMakeFiles/dtest.dir/matrix_eig.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/matrix_eig.cpp
[210/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/config_reader.cpp.o -MF CMakeFiles/dtest.dir/config_reader.cpp.o.d -o CMakeFiles/dtest.dir/config_reader.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/config_reader.cpp
[211/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/byte_orderer.cpp.o -MF CMakeFiles/dtest.dir/byte_orderer.cpp.o.d -o CMakeFiles/dtest.dir/byte_orderer.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/byte_orderer.cpp
[212/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/conditioning_class_c.cpp.o -MF CMakeFiles/dtest.dir/conditioning_class_c.cpp.o.d -o CMakeFiles/dtest.dir/conditioning_class_c.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/conditioning_class_c.cpp
[213/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/bsp.cpp.o -MF CMakeFiles/dtest.dir/bsp.cpp.o.d -o CMakeFiles/dtest.dir/bsp.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bsp.cpp
[214/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/conditioning_class.cpp.o -MF CMakeFiles/dtest.dir/conditioning_class.cpp.o.d -o CMakeFiles/dtest.dir/conditioning_class.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/conditioning_class.cpp
[215/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/object_detector.cpp.o -MF CMakeFiles/dtest.dir/object_detector.cpp.o.d -o CMakeFiles/dtest.dir/object_detector.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/object_detector.cpp
[216/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/cmd_line_parser.cpp.o -MF CMakeFiles/dtest.dir/cmd_line_parser.cpp.o.d -o CMakeFiles/dtest.dir/cmd_line_parser.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/cmd_line_parser.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser.cpp:8:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<char>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<char> > >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/string/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<char>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<char> > >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h:765:17:   required from 'void dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>&) [with domain = std::__cxx11::basic_string<char>; range = void*; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<std::__cxx11::basic_string<char> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/map_kernel_1.h:334:17:   required from 'void dlib::map_kernel_1<domain, range, bst_base, mem_manager>::swap(dlib::map_kernel_1<domain, range, bst_base, mem_manager>&) [with domain = std::__cxx11::basic_string<char>; range = void*; bst_base = dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<char>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<char> > >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/cmd_line_parser/cmd_line_parser_kernel_1.h:789:21:   required from 'void dlib::cmd_line_parser_kernel_1<charT, map, sequence, sequence2>::swap(dlib::cmd_line_parser_kernel_1<charT, map, sequence, sequence2>&) [with charT = char; map = dlib::map_kernel_1<std::__cxx11::basic_string<char>, void*, dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<char>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<char> > >, dlib::memory_manager_stateless_kernel_1<char> >; sequence = dlib::sequence_kernel_2<std::__cxx11::basic_string<char>, dlib::memory_manager_stateless_kernel_1<char> >; sequence2 = dlib::sequence_kernel_2<std::__cxx11::basic_string<char>*, dlib::memory_manager_stateless_kernel_1<char> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/cmd_line_parser.h:72:15:   required from 'void dlib::swap(dlib::cmd_line_parser<charT>&, dlib::cmd_line_parser<charT>&) [with charT = char]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser.h:119:17:   required from 'void {anonymous}::cmd_line_parser_kernel_test() [with clp = dlib::cmd_line_parser<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser.cpp:29:74:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h:88:15: warning: implicitly-declared 'constexpr dlib::map_pair<std::__cxx11::basic_string<char>, void*>::map_pair(const dlib::map_pair<std::__cxx11::basic_string<char>, void*>&)' is deprecated [-Wdeprecated-copy]
   88 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/map_kernel_1.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/cmd_line_parser.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser.cpp:8:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<std::__cxx11::basic_string<char>, void*>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = std::__cxx11::basic_string<char>; T2 = void*]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_pair.h:59,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_algobase.h:64,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/string:40,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<char>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<char> > >::mpair::mpair(dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<char>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<char> > >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[217/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/clustering.cpp.o -MF CMakeFiles/dtest.dir/clustering.cpp.o.d -o CMakeFiles/dtest.dir/clustering.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/clustering.cpp
[218/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/cmd_line_parser_wchar_t.cpp.o -MF CMakeFiles/dtest.dir/cmd_line_parser_wchar_t.cpp.o.d -o CMakeFiles/dtest.dir/cmd_line_parser_wchar_t.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser_wchar_t.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/cmd_line_parser.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser_wchar_t.cpp:8:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<wchar_t>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<wchar_t> > >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/string/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<wchar_t>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<wchar_t> > >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h:765:17:   required from 'void dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>&) [with domain = std::__cxx11::basic_string<wchar_t>; range = void*; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<std::__cxx11::basic_string<wchar_t> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/map_kernel_1.h:334:17:   required from 'void dlib::map_kernel_1<domain, range, bst_base, mem_manager>::swap(dlib::map_kernel_1<domain, range, bst_base, mem_manager>&) [with domain = std::__cxx11::basic_string<wchar_t>; range = void*; bst_base = dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<wchar_t>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<wchar_t> > >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/cmd_line_parser/cmd_line_parser_kernel_1.h:789:21:   required from 'void dlib::cmd_line_parser_kernel_1<charT, map, sequence, sequence2>::swap(dlib::cmd_line_parser_kernel_1<charT, map, sequence, sequence2>&) [with charT = wchar_t; map = dlib::map_kernel_1<std::__cxx11::basic_string<wchar_t>, void*, dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<wchar_t>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<wchar_t> > >, dlib::memory_manager_stateless_kernel_1<char> >; sequence = dlib::sequence_kernel_2<std::__cxx11::basic_string<wchar_t>, dlib::memory_manager_stateless_kernel_1<char> >; sequence2 = dlib::sequence_kernel_2<std::__cxx11::basic_string<wchar_t>*, dlib::memory_manager_stateless_kernel_1<char> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/cmd_line_parser.h:72:15:   required from 'void dlib::swap(dlib::cmd_line_parser<charT>&, dlib::cmd_line_parser<charT>&) [with charT = wchar_t]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser.h:119:17:   required from 'void {anonymous}::cmd_line_parser_kernel_test() [with clp = dlib::cmd_line_parser<wchar_t>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser_wchar_t.cpp:29:77:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/binary_search_tree/binary_search_tree_kernel_1.h:88:15: warning: implicitly-declared 'constexpr dlib::map_pair<std::__cxx11::basic_string<wchar_t>, void*>::map_pair(const dlib::map_pair<std::__cxx11::basic_string<wchar_t>, void*>&)' is deprecated [-Wdeprecated-copy]
   88 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/map_kernel_1.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/cmd_line_parser.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser_wchar_t.cpp:8:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/map/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<std::__cxx11::basic_string<wchar_t>, void*>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = std::__cxx11::basic_string<wchar_t>; T2 = void*]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_pair.h:59,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_algobase.h:64,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/string:40,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cmd_line_parser_wchar_t.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<wchar_t>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<wchar_t> > >::mpair::mpair(dlib::binary_search_tree_kernel_1<std::__cxx11::basic_string<wchar_t>, void*, dlib::memory_manager_stateless_kernel_1<char>, std::less<std::__cxx11::basic_string<wchar_t> > >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[219/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/binary_search_tree_kernel_2a.cpp.o -MF CMakeFiles/dtest.dir/binary_search_tree_kernel_2a.cpp.o.d -o CMakeFiles/dtest.dir/binary_search_tree_kernel_2a.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_kernel_2a.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/memory_manager_kernel_3.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_kernel_2a.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/binary_search_tree_kernel_2.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_2<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_2<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/binary_search_tree_kernel_2.h:724:17:   required from 'void dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>&) [with domain = int; range = int; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree.h:522:26:   required from 'void {anonymous}::binary_search_tree_kernel_test() [with bst = dlib::binary_search_tree_kernel_2<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_kernel_2a.cpp:34:83:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/binary_search_tree_kernel_2.h:84:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, int>::map_pair(const dlib::map_pair<int, int>&)' is deprecated [-Wdeprecated-copy]
   84 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/binary_search_tree_kernel_2.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/memory_manager_kernel_3.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_kernel_2a.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_kernel_2a.cpp:7:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_2<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair::mpair(dlib::binary_search_tree_kernel_2<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[220/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/fft.cpp.o -MF CMakeFiles/dtest.dir/fft.cpp.o.d -o CMakeFiles/dtest.dir/fft.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/fft.cpp
[221/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/bridge.cpp.o -MF CMakeFiles/dtest.dir/bridge.cpp.o.d -o CMakeFiles/dtest.dir/bridge.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bridge.cpp
[222/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/compress_stream.cpp.o -MF CMakeFiles/dtest.dir/compress_stream.cpp.o.d -o CMakeFiles/dtest.dir/compress_stream.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/compress_stream.cpp
[223/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/cca.cpp.o -MF CMakeFiles/dtest.dir/cca.cpp.o.d -o CMakeFiles/dtest.dir/cca.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/cca.cpp
[224/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/binary_search_tree_mm1.cpp.o -MF CMakeFiles/dtest.dir/binary_search_tree_mm1.cpp.o.d -o CMakeFiles/dtest.dir/binary_search_tree_mm1.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm1.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel_shared.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel_2.h:173,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/posix.h:4,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/memory_manager_stateless_kernel_2.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm1.cpp:13:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_global_kernel_1<char, {anonymous}::binary_search_tree_tester::factory>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_global_kernel_1<char, {anonymous}::binary_search_tree_tester::factory>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h:765:17:   required from 'void dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>&) [with domain = int; range = int; mem_manager = dlib::memory_manager_global_kernel_1<char, {anonymous}::binary_search_tree_tester::factory>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree.h:522:26:   required from 'void {anonymous}::binary_search_tree_kernel_test() [with bst = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_global_kernel_1<char, {anonymous}::binary_search_tree_tester::factory>, std::less<int> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm1.cpp:53:72:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h:88:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, int>::map_pair(const dlib::map_pair<int, int>&)' is deprecated [-Wdeprecated-copy]
   88 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/binary_search_tree_kernel_2.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/memory_manager_kernel_3.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm1.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm1.cpp:7:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_global_kernel_1<char, {anonymous}::binary_search_tree_tester::factory>, std::less<int> >::mpair::mpair(dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_global_kernel_1<char, {anonymous}::binary_search_tree_tester::factory>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel_shared.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel_2.h:173,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/posix.h:4,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/memory_manager_stateless_kernel_2.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm1.cpp:13:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h:765:17:   required from 'void dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>&) [with domain = int; range = int; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree.h:522:26:   required from 'void {anonymous}::binary_search_tree_kernel_test() [with bst = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm1.cpp:59:67:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h:88:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, int>::map_pair(const dlib::map_pair<int, int>&)' is deprecated [-Wdeprecated-copy]
   88 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/binary_search_tree_kernel_2.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/memory_manager_kernel_3.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm1.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm1.cpp:7:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair::mpair(dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[225/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/binary_search_tree_mm2.cpp.o -MF CMakeFiles/dtest.dir/binary_search_tree_mm2.cpp.o.d -o CMakeFiles/dtest.dir/binary_search_tree_mm2.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm2.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel_shared.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel_2.h:173,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/posix.h:4,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/memory_manager_stateless_kernel_2.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm2.cpp:13:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 1000> >, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 1000> >, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h:765:17:   required from 'void dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>&) [with domain = int; range = int; mem_manager = dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 1000> >; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree.h:522:26:   required from 'void {anonymous}::binary_search_tree_kernel_test() [with bst = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 1000> >, std::less<int> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm2.cpp:36:69:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h:88:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, int>::map_pair(const dlib::map_pair<int, int>&)' is deprecated [-Wdeprecated-copy]
   88 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/binary_search_tree_kernel_2.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/memory_manager_kernel_3.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm2.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm2.cpp:7:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 1000> >, std::less<int> >::mpair::mpair(dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_2<char, dlib::memory_manager_kernel_2<char, 1000> >, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel_shared.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel_2.h:173,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/posix.h:4,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/memory_manager_stateless_kernel_2.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm2.cpp:13:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_kernel_3<char, 100>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_kernel_3<char, 100>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h:765:17:   required from 'void dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>&) [with domain = int; range = int; mem_manager = dlib::memory_manager_kernel_3<char, 100>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree.h:522:26:   required from 'void {anonymous}::binary_search_tree_kernel_test() [with bst = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_kernel_3<char, 100>, std::less<int> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm2.cpp:41:57:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h:88:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, int>::map_pair(const dlib::map_pair<int, int>&)' is deprecated [-Wdeprecated-copy]
   88 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/binary_search_tree_kernel_2.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/memory_manager_kernel_3.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm2.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_mm2.cpp:7:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_kernel_3<char, 100>, std::less<int> >::mpair::mpair(dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_kernel_3<char, 100>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[226/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/face.cpp.o -MF CMakeFiles/dtest.dir/face.cpp.o.d -o CMakeFiles/dtest.dir/face.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/face.cpp
[227/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/base64.cpp.o -MF CMakeFiles/dtest.dir/base64.cpp.o.d -o CMakeFiles/dtest.dir/base64.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/base64.cpp
[228/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/array.cpp.o -MF CMakeFiles/dtest.dir/array.cpp.o.d -o CMakeFiles/dtest.dir/array.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/array.cpp
[229/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/any.cpp.o -MF CMakeFiles/dtest.dir/any.cpp.o.d -o CMakeFiles/dtest.dir/any.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/any.cpp
[230/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/example.cpp.o -MF CMakeFiles/dtest.dir/example.cpp.o.d -o CMakeFiles/dtest.dir/example.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/example.cpp
[231/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/tester.cpp.o -MF CMakeFiles/dtest.dir/tester.cpp.o.d -o CMakeFiles/dtest.dir/tester.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/tester.cpp
[232/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/binary_search_tree_kernel_1a.cpp.o -MF CMakeFiles/dtest.dir/binary_search_tree_kernel_1a.cpp.o.d -o CMakeFiles/dtest.dir/binary_search_tree_kernel_1a.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_kernel_1a.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel_shared.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel_2.h:173,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/posix.h:4,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/threads_kernel.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/memory_manager_stateless_kernel_2.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_kernel_1a.cpp:13:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h:765:17:   required from 'void dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_1<domain, range, mem_manager, compare>&) [with domain = int; range = int; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree.h:522:26:   required from 'void {anonymous}::binary_search_tree_kernel_test() [with bst = dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_kernel_1a.cpp:36:83:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_stateless/../threads/../binary_search_tree/binary_search_tree_kernel_1.h:88:15: warning: implicitly-declared 'constexpr dlib::map_pair<int, int>::map_pair(const dlib::map_pair<int, int>&)' is deprecated [-Wdeprecated-copy]
   88 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/binary_search_tree_kernel_2.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/memory_manager_kernel_3.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager_global.h:7,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_kernel_1a.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/memory_manager/../binary_search_tree/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<int, int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = int; T2 = int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/nested_exception.h:40,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/exception:154,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/ios:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/istream:38,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/sstream:38,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/binary_search_tree_kernel_1a.cpp:7:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair::mpair(dlib::binary_search_tree_kernel_1<int, int, dlib::memory_manager_stateless_kernel_1<char>, std::less<int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[233/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/any_function.cpp.o -MF CMakeFiles/dtest.dir/any_function.cpp.o.d -o CMakeFiles/dtest.dir/any_function.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/any_function.cpp
[234/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/bigint.cpp.o -MF CMakeFiles/dtest.dir/bigint.cpp.o.d -o CMakeFiles/dtest.dir/bigint.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bigint.cpp
[235/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/correlation_tracker.cpp.o -MF CMakeFiles/dtest.dir/correlation_tracker.cpp.o.d -o CMakeFiles/dtest.dir/correlation_tracker.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/correlation_tracker.cpp
[236/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/array2d.cpp.o -MF CMakeFiles/dtest.dir/array2d.cpp.o.d -o CMakeFiles/dtest.dir/array2d.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/array2d.cpp
[237/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/bayes_nets.cpp.o -MF CMakeFiles/dtest.dir/bayes_nets.cpp.o.d -o CMakeFiles/dtest.dir/bayes_nets.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_2<long unsigned int, long unsigned int, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_2<long unsigned int, long unsigned int, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:724:17:   required from 'void dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>&) [with domain = long unsigned int; range = long unsigned int; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<long unsigned int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../matrix/../threads/../map/map_kernel_1.h:334:17:   required from 'void dlib::map_kernel_1<domain, range, bst_base, mem_manager>::swap(dlib::map_kernel_1<domain, range, bst_base, mem_manager>&) [with domain = long unsigned int; range = long unsigned int; bst_base = dlib::binary_search_tree_kernel_2<long unsigned int, long unsigned int, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/bayes_utils/bayes_utils.h:149:22:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:84:15: warning: implicitly-declared 'constexpr dlib::map_pair<long unsigned int, long unsigned int>::map_pair(const dlib::map_pair<long unsigned int, long unsigned int>&)' is deprecated [-Wdeprecated-copy]
   84 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/../serialize.h:238,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/set_kernel_1.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<long unsigned int, long unsigned int>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = long unsigned int; T2 = long unsigned int]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_pair.h:59,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_algobase.h:64,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/string:40,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../algs.h:93,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_2<long unsigned int, long unsigned int, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair::mpair(dlib::binary_search_tree_kernel_2<long unsigned int, long unsigned int, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_2<dlib::assignment, double, dlib::memory_manager_stateless_kernel_1<char>, std::less<dlib::assignment> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_2<dlib::assignment, double, dlib::memory_manager_stateless_kernel_1<char>, std::less<dlib::assignment> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:724:17:   required from 'void dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>&) [with domain = dlib::assignment; range = double; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<dlib::assignment>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../matrix/../threads/../map/map_kernel_1.h:334:17:   required from 'void dlib::map_kernel_1<domain, range, bst_base, mem_manager>::swap(dlib::map_kernel_1<domain, range, bst_base, mem_manager>&) [with domain = dlib::assignment; range = double; bst_base = dlib::binary_search_tree_kernel_2<dlib::assignment, double, dlib::memory_manager_stateless_kernel_1<char>, std::less<dlib::assignment> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/bayes_utils/bayes_utils.h:460:23:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:84:15: warning: implicitly-declared 'constexpr dlib::map_pair<dlib::assignment, double>::map_pair(const dlib::map_pair<dlib::assignment, double>&)' is deprecated [-Wdeprecated-copy]
   84 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/../serialize.h:238,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/set_kernel_1.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<dlib::assignment, double>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = dlib::assignment; T2 = double]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_pair.h:59,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_algobase.h:64,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/string:40,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../algs.h:93,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_2<dlib::assignment, double, dlib::memory_manager_stateless_kernel_1<char>, std::less<dlib::assignment> >::mpair::mpair(dlib::binary_search_tree_kernel_2<dlib::assignment, double, dlib::memory_manager_stateless_kernel_1<char>, std::less<dlib::assignment> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_2<dlib::assignment, dlib::matrix<double, 1, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, dlib::memory_manager_stateless_kernel_1<char>, std::less<dlib::assignment> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_2<dlib::assignment, dlib::matrix<double, 1, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, dlib::memory_manager_stateless_kernel_1<char>, std::less<dlib::assignment> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:724:17:   required from 'void dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>&) [with domain = dlib::assignment; range = dlib::matrix<double, 1, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<dlib::assignment>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../matrix/../threads/../map/map_kernel_1.h:334:17:   required from 'void dlib::map_kernel_1<domain, range, bst_base, mem_manager>::swap(dlib::map_kernel_1<domain, range, bst_base, mem_manager>&) [with domain = dlib::assignment; range = dlib::matrix<double, 1, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; bst_base = dlib::binary_search_tree_kernel_2<dlib::assignment, dlib::matrix<double, 1, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, dlib::memory_manager_stateless_kernel_1<char>, std::less<dlib::assignment> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/bayes_utils/bayes_utils.h:600:23:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:84:15: warning: implicitly-declared 'constexpr dlib::map_pair<dlib::assignment, dlib::matrix<double, 1, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >::map_pair(const dlib::map_pair<dlib::assignment, dlib::matrix<double, 1, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >&)' is deprecated [-Wdeprecated-copy]
   84 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/../serialize.h:238,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/set_kernel_1.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<dlib::assignment, dlib::matrix<double, 1, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = dlib::assignment; T2 = dlib::matrix<double, 1, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_pair.h:59,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_algobase.h:64,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/string:40,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../algs.h:93,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_2<dlib::assignment, dlib::matrix<double, 1, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, dlib::memory_manager_stateless_kernel_1<char>, std::less<dlib::assignment> >::mpair::mpair(dlib::binary_search_tree_kernel_2<dlib::assignment, dlib::matrix<double, 1, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, dlib::memory_manager_stateless_kernel_1<char>, std::less<dlib::assignment> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h: In instantiation of 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair; std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../algs.h:378:13:   required from 'void dlib::exchange(T&, T&) [with T = dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:724:17:   required from 'void dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>::swap(dlib::binary_search_tree_kernel_2<domain, range, mem_manager, compare>&) [with domain = long unsigned int; range = char; mem_manager = dlib::memory_manager_stateless_kernel_1<char>; compare = std::less<long unsigned int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/set_kernel_1.h:276:17:   required from 'void dlib::set_kernel_1<T, bst_base, mem_manager>::swap(dlib::set_kernel_1<T, bst_base, mem_manager>&) [with T = long unsigned int; bst_base = dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >; mem_manager = dlib::memory_manager_stateless_kernel_1<char>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:1003:19:   required from 'void dlib::create_join_tree(const graph_type&, join_tree_type&) [with graph_type = dlib::graph_kernel_1<dlib::set_compare_1<dlib::set_kernel_c<dlib::set_kernel_1<long unsigned int, dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >, dlib::memory_manager_stateless_kernel_1<char> > > >, dlib::set_compare_1<dlib::set_kernel_c<dlib::set_kernel_1<long unsigned int, dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >, dlib::memory_manager_stateless_kernel_1<char> > > >, dlib::memory_manager_stateless_kernel_1<char>, true>; join_tree_type = dlib::graph_kernel_1<dlib::set_compare_1<dlib::set_kernel_c<dlib::set_kernel_1<long unsigned int, dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >, dlib::memory_manager_stateless_kernel_1<char> > > >, dlib::set_compare_1<dlib::set_kernel_c<dlib::set_kernel_1<long unsigned int, dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >, dlib::memory_manager_stateless_kernel_1<char> > > >, dlib::memory_manager_stateless_kernel_1<char>, true>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:238:25:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../binary_search_tree/binary_search_tree_kernel_2.h:84:15: warning: implicitly-declared 'constexpr dlib::map_pair<long unsigned int, char>::map_pair(const dlib::map_pair<long unsigned int, char>&)' is deprecated [-Wdeprecated-copy]
   84 |         class mpair : public map_pair<domain,range>
      |               ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/../serialize.h:238,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/set_kernel_1.h:10,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:12,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../set/../interfaces/map_pair.h:61:26: note: because 'dlib::map_pair<long unsigned int, char>' has user-provided 'dlib::map_pair<T1, T2>& dlib::map_pair<T1, T2>::operator=(const dlib::map_pair<T1, T2>&) [with T1 = long unsigned int; T2 = char]'
   61 |         map_pair<T1,T2>& operator=(const map_pair<T1,T2>&) {return *this;} // no assignment operator
      |                          ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_pair.h:59,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/stl_algobase.h:64,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/string:40,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/../algs.h:93,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/graph_utils.h:6,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/bayes_nets.cpp:5:
/usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.1/include/g++-v11/bits/move.h:204:11: note: synthesized method 'constexpr dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair::mpair(dlib::binary_search_tree_kernel_2<long unsigned int, char, dlib::memory_manager_stateless_kernel_1<char>, std::less<long unsigned int> >::mpair&&)' first required here
  204 |       _Tp __tmp = _GLIBCXX_MOVE(__a);
      |           ^~~~~
[238/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/main.cpp.o -MF CMakeFiles/dtest.dir/main.cpp.o.d -o CMakeFiles/dtest.dir/main.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/main.cpp
[239/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/dnn.cpp.o -MF CMakeFiles/dtest.dir/dnn.cpp.o.d -o CMakeFiles/dtest.dir/dnn.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/layers.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h: In instantiation of 'void dlib::deserialize(dlib::dnn_trainer<dlib::add_loss_layer<dlib::loss_mean_squared_, dlib::add_layer<dlib::fc_<1, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> > >&, std::istream&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:1054:32:   required from 'void dlib::dnn_trainer<net_type, solver_type>::sync_to_disk(bool) [with net_type = dlib::add_loss_layer<dlib::loss_mean_squared_, dlib::add_layer<dlib::fc_<1, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:332:21:   required from 'void dlib::dnn_trainer<net_type, solver_type>::train(const std::vector<typename net_type::input_type>&, const std::vector<typename net_type::training_label_type>&) [with net_type = dlib::add_loss_layer<dlib::loss_mean_squared_, dlib::add_layer<dlib::fc_<1, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd; typename net_type::input_type = dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename net_type::training_label_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:2469:22:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h:1181:20: warning: implicitly-declared 'constexpr dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >& dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >::operator=(const dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >&)' is deprecated [-Wdeprecated-copy]
 1181 |         add_layer& operator=(const add_layer&) = default;
      |                    ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/input.h:315:9: note: because 'dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >' has user-provided 'dlib::input<dlib::matrix<T, NR, NC, mm, l> >::input(const dlib::input<dlib::matrix<T, NR, NC, mm, l> >&) [with T = double; long int NR = 0; long int NC = 0; MM = dlib::memory_manager_stateless_kernel_1<char>; L = dlib::row_major_layout]'
  315 |         input(const input&) {}
      |         ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/layers.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h: In instantiation of 'void dlib::deserialize(dlib::dnn_trainer<dlib::add_loss_layer<dlib::loss_mean_squared_multioutput_, dlib::add_layer<dlib::fc_<2, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> > >&, std::istream&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:1054:32:   required from 'void dlib::dnn_trainer<net_type, solver_type>::sync_to_disk(bool) [with net_type = dlib::add_loss_layer<dlib::loss_mean_squared_multioutput_, dlib::add_layer<dlib::fc_<2, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:332:21:   required from 'void dlib::dnn_trainer<net_type, solver_type>::train(const std::vector<typename net_type::input_type>&, const std::vector<typename net_type::training_label_type>&) [with net_type = dlib::add_loss_layer<dlib::loss_mean_squared_multioutput_, dlib::add_layer<dlib::fc_<2, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd; typename net_type::input_type = dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename net_type::training_label_type = dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:2616:22:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h:1181:20: warning: implicitly-declared 'constexpr dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >& dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >::operator=(const dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >&)' is deprecated [-Wdeprecated-copy]
 1181 |         add_layer& operator=(const add_layer&) = default;
      |                    ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/input.h:315:9: note: because 'dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >' has user-provided 'dlib::input<dlib::matrix<T, NR, NC, mm, l> >::input(const dlib::input<dlib::matrix<T, NR, NC, mm, l> >&) [with T = double; long int NR = 0; long int NC = 0; MM = dlib::memory_manager_stateless_kernel_1<char>; L = dlib::row_major_layout]'
  315 |         input(const input&) {}
      |         ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/layers.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h: In instantiation of 'void dlib::deserialize(dlib::dnn_trainer<dlib::add_loss_layer<dlib::loss_binary_log_per_pixel_, dlib::add_layer<dlib::con_<1, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> > >&, std::istream&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:1054:32:   required from 'void dlib::dnn_trainer<net_type, solver_type>::sync_to_disk(bool) [with net_type = dlib::add_loss_layer<dlib::loss_binary_log_per_pixel_, dlib::add_layer<dlib::con_<1, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:332:21:   required from 'void dlib::dnn_trainer<net_type, solver_type>::train(const std::vector<typename net_type::input_type>&, const std::vector<typename net_type::training_label_type>&) [with net_type = dlib::add_loss_layer<dlib::loss_binary_log_per_pixel_, dlib::add_layer<dlib::con_<1, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd; typename net_type::input_type = dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename net_type::training_label_type = dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:2806:22:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h:1181:20: warning: implicitly-declared 'constexpr dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >& dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >::operator=(const dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >&)' is deprecated [-Wdeprecated-copy]
 1181 |         add_layer& operator=(const add_layer&) = default;
      |                    ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/input.h:315:9: note: because 'dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >' has user-provided 'dlib::input<dlib::matrix<T, NR, NC, mm, l> >::input(const dlib::input<dlib::matrix<T, NR, NC, mm, l> >&) [with T = float; long int NR = 0; long int NC = 0; MM = dlib::memory_manager_stateless_kernel_1<char>; L = dlib::row_major_layout]'
  315 |         input(const input&) {}
      |         ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/layers.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h: In instantiation of 'void dlib::deserialize(dlib::dnn_trainer<dlib::add_loss_layer<dlib::loss_binary_log_per_pixel_, dlib::add_layer<dlib::con_<1, 1, 7, 1, 1, 0, 3>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> > >&, std::istream&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:1054:32:   required from 'void dlib::dnn_trainer<net_type, solver_type>::sync_to_disk(bool) [with net_type = dlib::add_loss_layer<dlib::loss_binary_log_per_pixel_, dlib::add_layer<dlib::con_<1, 1, 7, 1, 1, 0, 3>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:332:21:   required from 'void dlib::dnn_trainer<net_type, solver_type>::train(const std::vector<typename net_type::input_type>&, const std::vector<typename net_type::training_label_type>&) [with net_type = dlib::add_loss_layer<dlib::loss_binary_log_per_pixel_, dlib::add_layer<dlib::con_<1, 1, 7, 1, 1, 0, 3>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd; typename net_type::input_type = dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename net_type::training_label_type = dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:2957:22:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h:1181:20: warning: implicitly-declared 'constexpr dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >& dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >::operator=(const dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >&)' is deprecated [-Wdeprecated-copy]
 1181 |         add_layer& operator=(const add_layer&) = default;
      |                    ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/input.h:315:9: note: because 'dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >' has user-provided 'dlib::input<dlib::matrix<T, NR, NC, mm, l> >::input(const dlib::input<dlib::matrix<T, NR, NC, mm, l> >&) [with T = double; long int NR = 0; long int NC = 0; MM = dlib::memory_manager_stateless_kernel_1<char>; L = dlib::row_major_layout]'
  315 |         input(const input&) {}
      |         ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/layers.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h: In instantiation of 'void dlib::deserialize(dlib::dnn_trainer<dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_, dlib::add_layer<dlib::con_<7, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> > >&, std::istream&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:1054:32:   required from 'void dlib::dnn_trainer<net_type, solver_type>::sync_to_disk(bool) [with net_type = dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_, dlib::add_layer<dlib::con_<7, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:332:21:   required from 'void dlib::dnn_trainer<net_type, solver_type>::train(const std::vector<typename net_type::input_type>&, const std::vector<typename net_type::training_label_type>&) [with net_type = dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_, dlib::add_layer<dlib::con_<7, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd; typename net_type::input_type = dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename net_type::training_label_type = dlib::matrix<short unsigned int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:3020:22:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h:1181:20: warning: implicitly-declared 'constexpr dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >& dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >::operator=(const dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >&)' is deprecated [-Wdeprecated-copy]
 1181 |         add_layer& operator=(const add_layer&) = default;
      |                    ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/input.h:315:9: note: because 'dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >' has user-provided 'dlib::input<dlib::matrix<T, NR, NC, mm, l> >::input(const dlib::input<dlib::matrix<T, NR, NC, mm, l> >&) [with T = float; long int NR = 0; long int NC = 0; MM = dlib::memory_manager_stateless_kernel_1<char>; L = dlib::row_major_layout]'
  315 |         input(const input&) {}
      |         ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/layers.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h: In instantiation of 'void dlib::deserialize(dlib::dnn_trainer<dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_, dlib::add_layer<dlib::con_<5, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> > >&, std::istream&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:1054:32:   required from 'void dlib::dnn_trainer<net_type, solver_type>::sync_to_disk(bool) [with net_type = dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_, dlib::add_layer<dlib::con_<5, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:332:21:   required from 'void dlib::dnn_trainer<net_type, solver_type>::train(const std::vector<typename net_type::input_type>&, const std::vector<typename net_type::training_label_type>&) [with net_type = dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_, dlib::add_layer<dlib::con_<5, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd; typename net_type::input_type = dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename net_type::training_label_type = dlib::matrix<short unsigned int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:3106:22:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h:1181:20: warning: implicitly-declared 'constexpr dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >& dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >::operator=(const dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >&)' is deprecated [-Wdeprecated-copy]
 1181 |         add_layer& operator=(const add_layer&) = default;
      |                    ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/input.h:315:9: note: because 'dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >' has user-provided 'dlib::input<dlib::matrix<T, NR, NC, mm, l> >::input(const dlib::input<dlib::matrix<T, NR, NC, mm, l> >&) [with T = float; long int NR = 0; long int NC = 0; MM = dlib::memory_manager_stateless_kernel_1<char>; L = dlib::row_major_layout]'
  315 |         input(const input&) {}
      |         ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/layers.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h: In instantiation of 'void dlib::deserialize(dlib::dnn_trainer<dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_, dlib::add_layer<dlib::con_<5, 3, 3, 1, 1, 1, 1>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> > >&, std::istream&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:1054:32:   required from 'void dlib::dnn_trainer<net_type, solver_type>::sync_to_disk(bool) [with net_type = dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_, dlib::add_layer<dlib::con_<5, 3, 3, 1, 1, 1, 1>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:332:21:   required from 'void dlib::dnn_trainer<net_type, solver_type>::train(const std::vector<typename net_type::input_type>&, const std::vector<typename net_type::training_label_type>&) [with net_type = dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_, dlib::add_layer<dlib::con_<5, 3, 3, 1, 1, 1, 1>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd; typename net_type::input_type = dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename net_type::training_label_type = dlib::matrix<short unsigned int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:3208:22:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h:1181:20: warning: implicitly-declared 'constexpr dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >& dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >::operator=(const dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >&)' is deprecated [-Wdeprecated-copy]
 1181 |         add_layer& operator=(const add_layer&) = default;
      |                    ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/input.h:315:9: note: because 'dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >' has user-provided 'dlib::input<dlib::matrix<T, NR, NC, mm, l> >::input(const dlib::input<dlib::matrix<T, NR, NC, mm, l> >&) [with T = float; long int NR = 0; long int NC = 0; MM = dlib::memory_manager_stateless_kernel_1<char>; L = dlib::row_major_layout]'
  315 |         input(const input&) {}
      |         ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/layers.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h: In instantiation of 'void dlib::deserialize(dlib::dnn_trainer<dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_weighted_, dlib::add_layer<dlib::con_<6, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> > >&, std::istream&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:1054:32:   required from 'void dlib::dnn_trainer<net_type, solver_type>::sync_to_disk(bool) [with net_type = dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_weighted_, dlib::add_layer<dlib::con_<6, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:332:21:   required from 'void dlib::dnn_trainer<net_type, solver_type>::train(const std::vector<typename net_type::input_type>&, const std::vector<typename net_type::training_label_type>&) [with net_type = dlib::add_loss_layer<dlib::loss_multiclass_log_per_pixel_weighted_, dlib::add_layer<dlib::con_<6, 1, 1, 1, 1, 0, 0>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd; typename net_type::input_type = dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename net_type::training_label_type = dlib::matrix<dlib::weighted_label<short unsigned int> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:3423:26:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h:1181:20: warning: implicitly-declared 'constexpr dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >& dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >::operator=(const dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >&)' is deprecated [-Wdeprecated-copy]
 1181 |         add_layer& operator=(const add_layer&) = default;
      |                    ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/input.h:315:9: note: because 'dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >' has user-provided 'dlib::input<dlib::matrix<T, NR, NC, mm, l> >::input(const dlib::input<dlib::matrix<T, NR, NC, mm, l> >&) [with T = double; long int NR = 0; long int NC = 0; MM = dlib::memory_manager_stateless_kernel_1<char>; L = dlib::row_major_layout]'
  315 |         input(const input&) {}
      |         ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/layers.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h: In instantiation of 'void dlib::deserialize(dlib::dnn_trainer<dlib::add_loss_layer<dlib::loss_multiclass_log_weighted_, dlib::add_layer<dlib::fc_<4, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> > >&, std::istream&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:1054:32:   required from 'void dlib::dnn_trainer<net_type, solver_type>::sync_to_disk(bool) [with net_type = dlib::add_loss_layer<dlib::loss_multiclass_log_weighted_, dlib::add_layer<dlib::fc_<4, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:332:21:   required from 'void dlib::dnn_trainer<net_type, solver_type>::train(const std::vector<typename net_type::input_type>&, const std::vector<typename net_type::training_label_type>&) [with net_type = dlib::add_loss_layer<dlib::loss_multiclass_log_weighted_, dlib::add_layer<dlib::fc_<4, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd; typename net_type::input_type = dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename net_type::training_label_type = dlib::weighted_label<long unsigned int>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:3524:26:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h:1181:20: warning: implicitly-declared 'constexpr dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >& dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >::operator=(const dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >&)' is deprecated [-Wdeprecated-copy]
 1181 |         add_layer& operator=(const add_layer&) = default;
      |                    ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/input.h:315:9: note: because 'dlib::input<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >' has user-provided 'dlib::input<dlib::matrix<T, NR, NC, mm, l> >::input(const dlib::input<dlib::matrix<T, NR, NC, mm, l> >&) [with T = double; long int NR = 0; long int NC = 0; MM = dlib::memory_manager_stateless_kernel_1<char>; L = dlib::row_major_layout]'
  315 |         input(const input&) {}
      |         ^~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/layers.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:23,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h: In instantiation of 'void dlib::deserialize(dlib::dnn_trainer<dlib::add_loss_layer<dlib::loss_multimulticlass_log_, dlib::add_layer<dlib::fc_<1, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> > >&, std::istream&)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:1054:32:   required from 'void dlib::dnn_trainer<net_type, solver_type>::sync_to_disk(bool) [with net_type = dlib::add_loss_layer<dlib::loss_multimulticlass_log_, dlib::add_layer<dlib::fc_<1, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/trainer.h:332:21:   required from 'void dlib::dnn_trainer<net_type, solver_type>::train(const std::vector<typename net_type::input_type>&, const std::vector<typename net_type::training_label_type>&) [with net_type = dlib::add_loss_layer<dlib::loss_multimulticlass_log_, dlib::add_layer<dlib::fc_<1, dlib::FC_HAS_BIAS>, dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >, void> >; solver_type = dlib::sgd; typename net_type::input_type = dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename net_type::training_label_type = std::map<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:3849:22:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/core.h:1181:20: warning: implicitly-declared 'constexpr dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >& dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >::operator=(const dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >&)' is deprecated [-Wdeprecated-copy]
 1181 |         add_layer& operator=(const add_layer&) = default;
      |                    ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/dnn.cpp:12:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/../dnn/input.h:315:9: note: because 'dlib::input<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >' has user-provided 'dlib::input<dlib::matrix<T, NR, NC, mm, l> >::input(const dlib::input<dlib::matrix<T, NR, NC, mm, l> >&) [with T = float; long int NR = 0; long int NC = 0; MM = dlib::memory_manager_stateless_kernel_1<char>; L = dlib::row_major_layout]'
  315 |         input(const input&) {}
      |         ^~~~~
[240/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/data_io.cpp.o -MF CMakeFiles/dtest.dir/data_io.cpp.o.d -o CMakeFiles/dtest.dir/data_io.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:29,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h: In instantiation of 'void dlib::one_vs_one_trainer<any_trainer, label_type_>::parallel_for_helper::operator()(long int) const [with any_trainer = dlib::any_trainer<std::map<unsigned int, double>, double>; label_type_ = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:53:22:   required from 'void dlib::impl::helper_parallel_for_funct<T>::run(long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::map<unsigned int, double>, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:273:47:   required from 'void dlib::parallel_for(dlib::thread_pool&, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::map<unsigned int, double>, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:297:21:   required from 'void dlib::parallel_for(long unsigned int, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::map<unsigned int, double>, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:141:25:   required from 'dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type dlib::one_vs_one_trainer<any_trainer, label_type_>::train(const std::vector<typename kern_type::sample_type>&, const std::vector<_ValT>&) const [with any_trainer = dlib::any_trainer<std::map<unsigned int, double>, double>; label_type_ = double; dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type = dlib::one_vs_one_decision_function<dlib::one_vs_one_trainer<dlib::any_trainer<std::map<unsigned int, double>, double>, double>, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df>; typename kern_type::sample_type = std::map<unsigned int, double>; typename kern_type::sample_type = std::map<unsigned int, double>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/cross_validate_multiclass_trainer.h:191:71:   required from 'const dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> dlib::cross_validate_multiclass_trainer(const trainer_type&, const std::vector<_ValT>&, const std::vector<label_type>&, long int) [with trainer_type = dlib::one_vs_one_trainer<dlib::any_trainer<std::map<unsigned int, double>, double>, double>; sample_type = std::map<unsigned int, double>; label_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:73:66:   required from 'void {anonymous}::test_data_io::run_test() [with sample_type = std::map<unsigned int, double>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:216:54:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:179:54: warning: implicitly-declared 'constexpr dlib::unordered_pair<double>::unordered_pair(const dlib::unordered_pair<double>&)' is deprecated [-Wdeprecated-copy]
  179 |                     const unordered_pair<label_type> p = pairs[i];
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/optimization_solve_qp_using_smo.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/vector_normalizer_frobmetric.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/ranking_tools.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/../unordered_pair.h:79:25: note: because 'dlib::unordered_pair<double>' has user-provided 'dlib::unordered_pair<T>& dlib::unordered_pair<T>::operator=(const dlib::unordered_pair<T>&) [with T = double]'
   79 |         unordered_pair& operator= (
      |                         ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:29,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h: In instantiation of 'void dlib::one_vs_one_trainer<any_trainer, label_type_>::parallel_for_helper::operator()(long int) const [with any_trainer = dlib::any_trainer<dlib::matrix<double, 0, 1>, double>; label_type_ = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:53:22:   required from 'void dlib::impl::helper_parallel_for_funct<T>::run(long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 0, 1>, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:273:47:   required from 'void dlib::parallel_for(dlib::thread_pool&, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 0, 1>, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:297:21:   required from 'void dlib::parallel_for(long unsigned int, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 0, 1>, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:141:25:   required from 'dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type dlib::one_vs_one_trainer<any_trainer, label_type_>::train(const std::vector<typename kern_type::sample_type>&, const std::vector<_ValT>&) const [with any_trainer = dlib::any_trainer<dlib::matrix<double, 0, 1>, double>; label_type_ = double; dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type = dlib::one_vs_one_decision_function<dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 0, 1>, double>, double>, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df>; typename kern_type::sample_type = dlib::matrix<double, 0, 1>; typename kern_type::sample_type = dlib::matrix<double, 0, 1>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/cross_validate_multiclass_trainer.h:191:71:   required from 'const dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> dlib::cross_validate_multiclass_trainer(const trainer_type&, const std::vector<_ValT>&, const std::vector<label_type>&, long int) [with trainer_type = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<double, 0, 1>, double>, double>; sample_type = dlib::matrix<double, 0, 1>; label_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:96:55:   required from 'void {anonymous}::test_data_io::run_test() [with sample_type = std::map<unsigned int, double>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:216:54:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:179:54: warning: implicitly-declared 'constexpr dlib::unordered_pair<double>::unordered_pair(const dlib::unordered_pair<double>&)' is deprecated [-Wdeprecated-copy]
  179 |                     const unordered_pair<label_type> p = pairs[i];
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/optimization_solve_qp_using_smo.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/vector_normalizer_frobmetric.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/ranking_tools.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/../unordered_pair.h:79:25: note: because 'dlib::unordered_pair<double>' has user-provided 'dlib::unordered_pair<T>& dlib::unordered_pair<T>::operator=(const dlib::unordered_pair<T>&) [with T = double]'
   79 |         unordered_pair& operator= (
      |                         ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:29,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h: In instantiation of 'void dlib::one_vs_one_trainer<any_trainer, label_type_>::parallel_for_helper::operator()(long int) const [with any_trainer = dlib::any_trainer<std::map<unsigned int, float>, float>; label_type_ = float]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:53:22:   required from 'void dlib::impl::helper_parallel_for_funct<T>::run(long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::map<unsigned int, float>, float>, float>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:273:47:   required from 'void dlib::parallel_for(dlib::thread_pool&, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::map<unsigned int, float>, float>, float>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:297:21:   required from 'void dlib::parallel_for(long unsigned int, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::map<unsigned int, float>, float>, float>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:141:25:   required from 'dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type dlib::one_vs_one_trainer<any_trainer, label_type_>::train(const std::vector<typename kern_type::sample_type>&, const std::vector<_ValT>&) const [with any_trainer = dlib::any_trainer<std::map<unsigned int, float>, float>; label_type_ = float; dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type = dlib::one_vs_one_decision_function<dlib::one_vs_one_trainer<dlib::any_trainer<std::map<unsigned int, float>, float>, float>, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df>; typename kern_type::sample_type = std::map<unsigned int, float>; typename kern_type::sample_type = std::map<unsigned int, float>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/cross_validate_multiclass_trainer.h:191:71:   required from 'const dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> dlib::cross_validate_multiclass_trainer(const trainer_type&, const std::vector<_ValT>&, const std::vector<label_type>&, long int) [with trainer_type = dlib::one_vs_one_trainer<dlib::any_trainer<std::map<unsigned int, float>, float>, float>; sample_type = std::map<unsigned int, float>; label_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:73:66:   required from 'void {anonymous}::test_data_io::run_test() [with sample_type = std::map<unsigned int, float>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:217:53:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:179:54: warning: implicitly-declared 'constexpr dlib::unordered_pair<float>::unordered_pair(const dlib::unordered_pair<float>&)' is deprecated [-Wdeprecated-copy]
  179 |                     const unordered_pair<label_type> p = pairs[i];
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/optimization_solve_qp_using_smo.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/vector_normalizer_frobmetric.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/ranking_tools.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/../unordered_pair.h:79:25: note: because 'dlib::unordered_pair<float>' has user-provided 'dlib::unordered_pair<T>& dlib::unordered_pair<T>::operator=(const dlib::unordered_pair<T>&) [with T = float]'
   79 |         unordered_pair& operator= (
      |                         ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:29,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h: In instantiation of 'void dlib::one_vs_one_trainer<any_trainer, label_type_>::parallel_for_helper::operator()(long int) const [with any_trainer = dlib::any_trainer<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>; label_type_ = float]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:53:22:   required from 'void dlib::impl::helper_parallel_for_funct<T>::run(long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, float>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:273:47:   required from 'void dlib::parallel_for(dlib::thread_pool&, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, float>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:297:21:   required from 'void dlib::parallel_for(long unsigned int, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, float>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:141:25:   required from 'dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type dlib::one_vs_one_trainer<any_trainer, label_type_>::train(const std::vector<typename kern_type::sample_type>&, const std::vector<_ValT>&) const [with any_trainer = dlib::any_trainer<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>; label_type_ = float; dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type = dlib::one_vs_one_decision_function<dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, float>, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df>; typename kern_type::sample_type = dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; typename kern_type::sample_type = dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/cross_validate_multiclass_trainer.h:191:71:   required from 'const dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> dlib::cross_validate_multiclass_trainer(const trainer_type&, const std::vector<_ValT>&, const std::vector<label_type>&, long int) [with trainer_type = dlib::one_vs_one_trainer<dlib::any_trainer<dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>, float>, float>; sample_type = dlib::matrix<float, 0, 1, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout>; label_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:96:55:   required from 'void {anonymous}::test_data_io::run_test() [with sample_type = std::map<unsigned int, float>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:217:53:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:179:54: warning: implicitly-declared 'constexpr dlib::unordered_pair<float>::unordered_pair(const dlib::unordered_pair<float>&)' is deprecated [-Wdeprecated-copy]
  179 |                     const unordered_pair<label_type> p = pairs[i];
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/optimization_solve_qp_using_smo.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/vector_normalizer_frobmetric.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/ranking_tools.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/../unordered_pair.h:79:25: note: because 'dlib::unordered_pair<float>' has user-provided 'dlib::unordered_pair<T>& dlib::unordered_pair<T>::operator=(const dlib::unordered_pair<T>&) [with T = float]'
   79 |         unordered_pair& operator= (
      |                         ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:29,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h: In instantiation of 'void dlib::one_vs_one_trainer<any_trainer, label_type_>::parallel_for_helper::operator()(long int) const [with any_trainer = dlib::any_trainer<std::vector<std::pair<unsigned int, float> >, float>; label_type_ = float]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:53:22:   required from 'void dlib::impl::helper_parallel_for_funct<T>::run(long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::vector<std::pair<unsigned int, float> >, float>, float>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:273:47:   required from 'void dlib::parallel_for(dlib::thread_pool&, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::vector<std::pair<unsigned int, float> >, float>, float>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:297:21:   required from 'void dlib::parallel_for(long unsigned int, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::vector<std::pair<unsigned int, float> >, float>, float>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:141:25:   required from 'dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type dlib::one_vs_one_trainer<any_trainer, label_type_>::train(const std::vector<typename kern_type::sample_type>&, const std::vector<_ValT>&) const [with any_trainer = dlib::any_trainer<std::vector<std::pair<unsigned int, float> >, float>; label_type_ = float; dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type = dlib::one_vs_one_decision_function<dlib::one_vs_one_trainer<dlib::any_trainer<std::vector<std::pair<unsigned int, float> >, float>, float>, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df>; typename kern_type::sample_type = std::vector<std::pair<unsigned int, float> >; typename kern_type::sample_type = std::vector<std::pair<unsigned int, float> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/cross_validate_multiclass_trainer.h:191:71:   required from 'const dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> dlib::cross_validate_multiclass_trainer(const trainer_type&, const std::vector<_ValT>&, const std::vector<label_type>&, long int) [with trainer_type = dlib::one_vs_one_trainer<dlib::any_trainer<std::vector<std::pair<unsigned int, float> >, float>, float>; sample_type = std::vector<std::pair<unsigned int, float> >; label_type = float]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:73:66:   required from 'void {anonymous}::test_data_io::run_test() [with sample_type = std::vector<std::pair<unsigned int, float> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:218:68:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:179:54: warning: implicitly-declared 'constexpr dlib::unordered_pair<float>::unordered_pair(const dlib::unordered_pair<float>&)' is deprecated [-Wdeprecated-copy]
  179 |                     const unordered_pair<label_type> p = pairs[i];
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/optimization_solve_qp_using_smo.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/vector_normalizer_frobmetric.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/ranking_tools.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/../unordered_pair.h:79:25: note: because 'dlib::unordered_pair<float>' has user-provided 'dlib::unordered_pair<T>& dlib::unordered_pair<T>::operator=(const dlib::unordered_pair<T>&) [with T = float]'
   79 |         unordered_pair& operator= (
      |                         ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:29,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h: In instantiation of 'void dlib::one_vs_one_trainer<any_trainer, label_type_>::parallel_for_helper::operator()(long int) const [with any_trainer = dlib::any_trainer<std::vector<std::pair<long unsigned int, double> >, double>; label_type_ = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:53:22:   required from 'void dlib::impl::helper_parallel_for_funct<T>::run(long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::vector<std::pair<long unsigned int, double> >, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:273:47:   required from 'void dlib::parallel_for(dlib::thread_pool&, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::vector<std::pair<long unsigned int, double> >, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/logger/../threads/parallel_for_extension.h:297:21:   required from 'void dlib::parallel_for(long unsigned int, long int, long int, const T&, long int) [with T = dlib::one_vs_one_trainer<dlib::any_trainer<std::vector<std::pair<long unsigned int, double> >, double>, double>::parallel_for_helper]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:141:25:   required from 'dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type dlib::one_vs_one_trainer<any_trainer, label_type_>::train(const std::vector<typename kern_type::sample_type>&, const std::vector<_ValT>&) const [with any_trainer = dlib::any_trainer<std::vector<std::pair<long unsigned int, double> >, double>; label_type_ = double; dlib::one_vs_one_trainer<any_trainer, label_type_>::trained_function_type = dlib::one_vs_one_decision_function<dlib::one_vs_one_trainer<dlib::any_trainer<std::vector<std::pair<long unsigned int, double> >, double>, double>, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df, dlib::null_df>; typename kern_type::sample_type = std::vector<std::pair<long unsigned int, double> >; typename kern_type::sample_type = std::vector<std::pair<long unsigned int, double> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/cross_validate_multiclass_trainer.h:191:71:   required from 'const dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> dlib::cross_validate_multiclass_trainer(const trainer_type&, const std::vector<_ValT>&, const std::vector<label_type>&, long int) [with trainer_type = dlib::one_vs_one_trainer<dlib::any_trainer<std::vector<std::pair<long unsigned int, double> >, double>, double>; sample_type = std::vector<std::pair<long unsigned int, double> >; label_type = double]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:73:66:   required from 'void {anonymous}::test_data_io::run_test() [with sample_type = std::vector<std::pair<long unsigned int, double> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:219:70:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/one_vs_one_trainer.h:179:54: warning: implicitly-declared 'constexpr dlib::unordered_pair<double>::unordered_pair(const dlib::unordered_pair<double>&)' is deprecated [-Wdeprecated-copy]
  179 |                     const unordered_pair<label_type> p = pairs[i];
      |                                                      ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/optimization_solve_qp_using_smo.h:9,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/vector_normalizer_frobmetric.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics.h:13,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/ranking_tools.h:14,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:8,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../statistics/../optimization/../unordered_pair.h:79:25: note: because 'dlib::unordered_pair<double>' has user-provided 'dlib::unordered_pair<T>& dlib::unordered_pair<T>::operator=(const dlib::unordered_pair<T>&) [with T = double]'
   79 |         unordered_pair& operator= (
      |                         ^~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<std::vector<std::pair<long unsigned int, double> > > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; K = dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > >; typename kern_type::scalar_type = double; typename K::scalar_type = double; dlib::krr_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<std::vector<std::pair<long unsigned int, double> > >; in_scalar_vector_type = std::vector<double>; K = dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::krr_trainer<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > > >; sample_type_ = std::vector<std::pair<long unsigned int, double> >; scalar_type_ = double; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<std::vector<std::pair<long unsigned int, double> >, double>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > > >& dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::vector<std::pair<long unsigned int, double> > >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<std::vector<std::pair<unsigned int, float> >, std::allocator<std::vector<std::pair<unsigned int, float> > > > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<float, std::allocator<float> > > >; K = dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, float> > >; typename kern_type::scalar_type = float; typename K::scalar_type = float; dlib::krr_trainer<K>::scalar_type = float]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<std::vector<std::pair<unsigned int, float> >, std::allocator<std::vector<std::pair<unsigned int, float> > > >; in_scalar_vector_type = std::vector<float, std::allocator<float> >; K = dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, float> > >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::krr_trainer<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, float> > > >; sample_type_ = std::vector<std::pair<unsigned int, float> >; scalar_type_ = float; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<std::vector<std::pair<unsigned int, float> >, float>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, float> > > >& dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, float> > > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, float> > > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, float> > > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::vector<std::pair<unsigned int, float> > >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<std::map<unsigned int, float>, std::allocator<std::map<unsigned int, float> > > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<float, std::allocator<float> > > >; K = dlib::sparse_linear_kernel<std::map<unsigned int, float> >; typename kern_type::scalar_type = float; typename K::scalar_type = float; dlib::krr_trainer<K>::scalar_type = float]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<std::map<unsigned int, float>, std::allocator<std::map<unsigned int, float> > >; in_scalar_vector_type = std::vector<float, std::allocator<float> >; K = dlib::sparse_linear_kernel<std::map<unsigned int, float> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::krr_trainer<dlib::sparse_linear_kernel<std::map<unsigned int, float> > >; sample_type_ = std::map<unsigned int, float>; scalar_type_ = float; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<std::map<unsigned int, float>, float>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<float, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<unsigned int, float> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<unsigned int, float> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<unsigned int, float> > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<unsigned int, float> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<unsigned int, float> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h: In instantiation of 'const dlib::decision_function<K> dlib::krr_trainer<K>::do_train(const in_sample_vector_type&, const in_scalar_vector_type&, bool, std::vector<typename K::scalar_type>&, dlib::krr_trainer<K>::scalar_type&) const [with in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<std::map<unsigned int, double>, std::allocator<std::map<unsigned int, double> > > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; K = dlib::sparse_linear_kernel<std::map<unsigned int, double> >; typename kern_type::scalar_type = double; typename K::scalar_type = double; dlib::krr_trainer<K>::scalar_type = double]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:194:28:   required from 'const dlib::decision_function<K> dlib::krr_trainer<K>::train(const in_sample_vector_type&, const in_scalar_vector_type&) const [with in_sample_vector_type = std::vector<std::map<unsigned int, double>, std::allocator<std::map<unsigned int, double> > >; in_scalar_vector_type = std::vector<double>; K = dlib::sparse_linear_kernel<std::map<unsigned int, double> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:182:34:   required from 'dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type dlib::any_trainer<sample_type_, scalar_type_>::derived<T>::train(const std::vector<CharType>&, const std::vector<_ValT>&) const [with T = dlib::krr_trainer<dlib::sparse_linear_kernel<std::map<unsigned int, double> > >; sample_type_ = std::map<unsigned int, double>; scalar_type_ = double; dlib::any_trainer<sample_type_, scalar_type_>::trained_function_type = dlib::any_decision_function<std::map<unsigned int, double>, double>]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/../any/any_trainer.h:177:43:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:315:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  315 |                 lin_df = trainer.train(proj_x,y, loo_values, the_lambda);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:317:24: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >&)' is deprecated [-Wdeprecated-copy]
  317 |                 lin_df = trainer.train(proj_x,y);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 0, dlib::memory_manager_stateless_kernel_1<char>, dlib::row_major_layout> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:33,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/krr_trainer.h:321:16: warning: implicitly-declared 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<unsigned int, double> > >& dlib::decision_function<dlib::sparse_linear_kernel<std::map<unsigned int, double> > >::operator=(const dlib::decision_function<dlib::sparse_linear_kernel<std::map<unsigned int, double> > >&)' is deprecated [-Wdeprecated-copy]
  321 |             df = ekm.convert_to_decision_function(lin_df.basis_vectors(0));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm_threaded.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/data_io.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::sparse_linear_kernel<std::map<unsigned int, double> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::sparse_linear_kernel<std::map<unsigned int, double> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
[241/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/active_learning.cpp.o -MF CMakeFiles/dtest.dir/active_learning.cpp.o.d -o CMakeFiles/dtest.dir/active_learning.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/active_learning.cpp
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/active_learning.cpp: In function 'double {anonymous}::test_rank_unlabeled_training_samples(const std::vector<dlib::matrix<double, 0, 1> >&, const std::vector<double>&, dlib::active_learning_mode, int, bool)':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/active_learning.cpp:110:49: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  110 |             df = trainer.train(tsamples, tlabels);
      |                                                 ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/active_learning.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/active_learning.cpp:115:99: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
  115 |             df = trainer.train(randomly_subsample(samples,num,i), randomly_subsample(labels,num,i));
      |                                                                                                   ^
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/active_learning.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:54,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/active_learning.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/active_learning.h: In instantiation of 'std::vector<long unsigned int> dlib::impl_rank_unlabeled_training_samples(const dlib::svm_c_linear_dcd_trainer<kernel_type>&, const in_sample_vector_type&, const in_scalar_vector_type&, const in_sample_vector_type2&, dlib::active_learning_mode) [with kernel_type = dlib::linear_kernel<dlib::matrix<double, 0, 1> >; in_sample_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<dlib::matrix<double, 0, 1> > > >; in_scalar_vector_type = dlib::matrix_op<dlib::op_std_vect_to_mat<std::vector<double> > >; in_sample_vector_type2 = dlib::matrix_op<dlib::op_array_to_mat<dlib::random_subset_selector<dlib::matrix<double, 0, 1> > > >]':
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/active_learning.h:150:52:   required from 'std::vector<long unsigned int> dlib::rank_unlabeled_training_samples(const dlib::svm_c_linear_dcd_trainer<kernel_type>&, const in_sample_vector_type&, const in_scalar_vector_type&, const in_sample_vector_type2&, dlib::active_learning_mode) [with kernel_type = dlib::linear_kernel<dlib::matrix<double, 0, 1> >; in_sample_vector_type = std::vector<dlib::matrix<double, 0, 1> >; in_scalar_vector_type = std::vector<double>; in_sample_vector_type2 = dlib::random_subset_selector<dlib::matrix<double, 0, 1> >]'
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/active_learning.cpp:104:54:   required from here
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/active_learning.h:88:16: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
   88 |             df = trainer.train(temp_samples, temp_labels, temp);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/active_learning.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:54,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/active_learning.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/active_learning.h:93:16: warning: implicitly-declared 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >& dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >::operator=(const dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >&)' is deprecated [-Wdeprecated-copy]
   93 |             df = trainer.train(temp_samples, temp_labels, temp);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/svm_rank_trainer.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm.h:11,
                 from /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/active_learning.cpp:5:
/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/../dlib/svm/function.h:46:9: note: because 'dlib::decision_function<dlib::linear_kernel<dlib::matrix<double, 0, 1> > >' has user-provided 'dlib::decision_function<K>::decision_function(const dlib::decision_function<K>&) [with K = dlib::linear_kernel<dlib::matrix<double, 0, 1> >]'
   46 |         decision_function (
      |         ^~~~~~~~~~~~~~~~~
[242/243] /usr/bin/x86_64-gentoo-linux-musl-g++  -I/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/..  -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0   -W -Wall -Wno-unused-function -DDLIB_JPEG_SUPPORT -DDLIB_PNG_SUPPORT -DDLIB_NO_GUI_SUPPORT -Wreturn-type -MD -MT CMakeFiles/dtest.dir/assignment_learning.cpp.o -MF CMakeFiles/dtest.dir/assignment_learning.cpp.o.d -o CMakeFiles/dtest.dir/assignment_learning.cpp.o -c /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/assignment_learning.cpp
[243/243] : && /usr/bin/x86_64-gentoo-linux-musl-g++ -O2 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0    -rdynamic CMakeFiles/dtest.dir/main.cpp.o CMakeFiles/dtest.dir/tester.cpp.o CMakeFiles/dtest.dir/example.cpp.o CMakeFiles/dtest.dir/active_learning.cpp.o CMakeFiles/dtest.dir/any.cpp.o CMakeFiles/dtest.dir/any_function.cpp.o CMakeFiles/dtest.dir/array2d.cpp.o CMakeFiles/dtest.dir/array.cpp.o CMakeFiles/dtest.dir/assignment_learning.cpp.o CMakeFiles/dtest.dir/base64.cpp.o CMakeFiles/dtest.dir/bayes_nets.cpp.o CMakeFiles/dtest.dir/bigint.cpp.o CMakeFiles/dtest.dir/binary_search_tree_kernel_1a.cpp.o CMakeFiles/dtest.dir/binary_search_tree_kernel_2a.cpp.o CMakeFiles/dtest.dir/binary_search_tree_mm1.cpp.o CMakeFiles/dtest.dir/binary_search_tree_mm2.cpp.o CMakeFiles/dtest.dir/bridge.cpp.o CMakeFiles/dtest.dir/bsp.cpp.o CMakeFiles/dtest.dir/byte_orderer.cpp.o CMakeFiles/dtest.dir/cca.cpp.o CMakeFiles/dtest.dir/clustering.cpp.o CMakeFiles/dtest.dir/cmd_line_parser.cpp.o CMakeFiles/dtest.dir/cmd_line_parser_wchar_t.cpp.o CMakeFiles/dtest.dir/compress_stream.cpp.o CMakeFiles/dtest.dir/conditioning_class_c.cpp.o CMakeFiles/dtest.dir/conditioning_class.cpp.o CMakeFiles/dtest.dir/config_reader.cpp.o CMakeFiles/dtest.dir/correlation_tracker.cpp.o CMakeFiles/dtest.dir/crc32.cpp.o CMakeFiles/dtest.dir/create_iris_datafile.cpp.o CMakeFiles/dtest.dir/data_io.cpp.o CMakeFiles/dtest.dir/directed_graph.cpp.o CMakeFiles/dtest.dir/discriminant_pca.cpp.o CMakeFiles/dtest.dir/disjoint_subsets.cpp.o CMakeFiles/dtest.dir/disjoint_subsets_sized.cpp.o CMakeFiles/dtest.dir/ekm_and_lisf.cpp.o CMakeFiles/dtest.dir/empirical_kernel_map.cpp.o CMakeFiles/dtest.dir/entropy_coder.cpp.o CMakeFiles/dtest.dir/entropy_encoder_model.cpp.o CMakeFiles/dtest.dir/example_args.cpp.o CMakeFiles/dtest.dir/face.cpp.o CMakeFiles/dtest.dir/fft.cpp.o CMakeFiles/dtest.dir/fhog.cpp.o 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dlib_build/libdlib.a  -lpng  -lz  -lsqlite3 && :
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

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!! TEST FAILED: test_sockets !!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Failure message from test: 

Error occurred at line 223.
Error occurred in file /var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22/dlib/test/sockets.cpp.
Failing expression was !srv.error_occurred.

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Testing Finished
Total number of individual testing statements executed: 470556144
Number of failed tests: 1
Number of passed tests: 136

 * ERROR: sci-libs/dlib-19.22::gentoo failed (test phase):
 *   Tests failed
 * 
 * Call stack:
 *     ebuild.sh, line 127:  Called src_test
 *   environment, line 4246:  Called die
 * The specific snippet of code:
 *       ./dtest --runall || die "Tests failed" );
 * 
 * If you need support, post the output of `emerge --info '=sci-libs/dlib-19.22::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sci-libs/dlib-19.22::gentoo'`.
 * The complete build log is located at '/var/log/emerge-log/build/sci-libs/dlib-19.22:20220406-161129.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/sci-libs/dlib-19.22/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sci-libs/dlib-19.22/temp/environment'.
 * Working directory: '/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22_build/dlib/test'
 * S: '/var/tmp/portage/sci-libs/dlib-19.22/work/dlib-19.22'